45640152 has 32 divisors (see below), whose sum is σ = 126778800. Its totient is φ = 15213312.

The previous prime is 45640151. The next prime is 45640169. The reversal of 45640152 is 25104654.

45640152 is a `hidden beast` number, since 4 + 5 + 640 + 15 + 2 = 666.

45640152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45640151) 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 7 ways as a sum of consecutive naturals, for example, 105433 + ... + 105864.

Almost surely, 2^45640152 is an apocalyptic number.

It is an amenable number.

45640152 is an abundant number, since it is smaller than the sum of its proper divisors (81138648).

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

45640152 is a wasteful number, since it uses less digits than its factorization.

45640152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211312 (or 211302 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45640152 is about 6755.7495513081. The cubic root of 45640152 is about 357.3680266617.

The spelling of 45640152 in words is "forty-five million, six hundred forty thousand, one hundred fifty-two".