45624939 has 8 divisors (see below), whose sum is σ = 63478272. Its totient is φ = 29094120.

The previous prime is 45624937. The next prime is 45624941. The reversal of 45624939 is 93942654.

It is an interprime number because it is at equal distance from previous prime (45624937) and next prime (45624941).

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

It is not a de Polignac number, because 45624939 - 2¹ = 45624937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45624939.

It is not an unprimeable number, because it can be changed into a prime (45624937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330547 + ... + 330684.

It is an arithmetic number, because the mean of its divisors is an integer number (7934784).

Almost surely, 2^45624939 is an apocalyptic number.

45624939 is a deficient number, since it is larger than the sum of its proper divisors (17853333).

45624939 is a wasteful number, since it uses less digits than its factorization.

45624939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661257.

The product of its digits is 233280, while the sum is 42.

The square root of 45624939 is about 6754.6235276291. The cubic root of 45624939 is about 357.3283156929.

The spelling of 45624939 in words is "forty-five million, six hundred twenty-four thousand, nine hundred thirty-nine".