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45750144 = 2731110831
BaseRepresentation
bin1010111010000…
…1011110000000
310012002100101210
42232201132000
543203001034
64312330120
71063604226
oct256413600
9105070353
1045750144
1123908840
12133a3940
13962abbb
14610cb16
15403a8e9
hex2ba1780

45750144 has 64 divisors (see below), whose sum is σ = 132583680. Its totient is φ = 13862400.

The previous prime is 45750121. The next prime is 45750149. The reversal of 45750144 is 44105754.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45750149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (2071620).

Almost surely, 245750144 is an apocalyptic number.

45750144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45750144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66291840).

45750144 is an abundant number, since it is smaller than the sum of its proper divisors (86833536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45750144 is a wasteful number, since it uses less digits than its factorization.

45750144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859 (or 10847 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 45750144 is about 6763.8852740123. The cubic root of 45750144 is about 357.6548799957.

Adding to 45750144 its reverse (44105754), we get a palindrome (89855898).

The spelling of 45750144 in words is "forty-five million, seven hundred fifty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 128 132 176 192 264 352 384 528 704 1056 1408 2112 4224 10831 21662 32493 43324 64986 86648 119141 129972 173296 238282 259944 346592 357423 476564 519888 693184 714846 953128 1039776 1386368 1429692 1906256 2079552 2859384 3812512 4159104 5718768 7625024 11437536 15250048 22875072 45750144