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45014144 = 27727177
BaseRepresentation
bin1010101110110…
…1110010000000
310010200221210112
42223231302000
543010423034
64244450452
71054420400
oct253556200
9103627715
1045014144
112345587a
12130a9a28
139430bb6
145d9a800
153e427ce
hex2aedc80

45014144 has 48 divisors (see below), whose sum is σ = 104332230. Its totient is φ = 19289088.

The previous prime is 45014143. The next prime is 45014149. The reversal of 45014144 is 44141054.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 16711744 = 5320^2 + 4088^2 .

It is not an unprimeable number, because it can be changed into a prime (45014141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2684 + ... + 9860.

Almost surely, 245014144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45014144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52166115).

45014144 is an abundant number, since it is smaller than the sum of its proper divisors (59318086).

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

45014144 is an equidigital number, since it uses as much as digits as its factorization.

45014144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205 (or 7186 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 45014144 is about 6709.2580811890. The cubic root of 45014144 is about 355.7265922482.

Adding to 45014144 its reverse (44141054), we get a palindrome (89155198).

The spelling of 45014144 in words is "forty-five million, fourteen thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 3136 6272 7177 14354 28708 50239 57416 100478 114832 200956 229664 351673 401912 459328 703346 803824 918656 1406692 1607648 2813384 3215296 5626768 6430592 11253536 22507072 45014144