Search a number
-
+
145104438 = 2324184073
BaseRepresentation
bin10001010011000…
…01111000110110
3101010001001212110
420221201320312
5244121320223
622222031450
73411240003
oct1051417066
9333031773
10145104438
11749a9126
1240718586
13240a681b
14153b28aa
15cb13d93
hex8a61e36

145104438 has 8 divisors (see below), whose sum is σ = 290208888. Its totient is φ = 48368144.

The previous prime is 145104431. The next prime is 145104457. The reversal of 145104438 is 834401541.

It is a sphenic number, since it is the product of 3 distinct primes.

145104438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145104431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12092031 + ... + 12092042.

It is an arithmetic number, because the mean of its divisors is an integer number (36276111).

Almost surely, 2145104438 is an apocalyptic number.

145104438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145104438 is a wasteful number, since it uses less digits than its factorization.

145104438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24184078.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 145104438 is about 12045.9303501224. The cubic root of 145104438 is about 525.4848889811.

Adding to 145104438 its reverse (834401541), we get a palindrome (979505979).

The spelling of 145104438 in words is "one hundred forty-five million, one hundred four thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 24184073 48368146 72552219 145104438