45717572 has 24 divisors (see below), whose sum is σ = 87124800. Its totient is φ = 20907936.

The previous prime is 45717541. The next prime is 45717577. The reversal of 45717572 is 27571754.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (45717577) 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, 8168 + ... + 12575.

It is an arithmetic number, because the mean of its divisors is an integer number (3630200).

Almost surely, 2^45717572 is an apocalyptic number.

It is an amenable number.

45717572 is a deficient number, since it is larger than the sum of its proper divisors (41407228).

45717572 is a wasteful number, since it uses less digits than its factorization.

45717572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20795 (or 20793 counting only the distinct ones).

The product of its digits is 68600, while the sum is 38.

The square root of 45717572 is about 6761.4770575666. The cubic root of 45717572 is about 357.5699818987.

The spelling of 45717572 in words is "forty-five million, seven hundred seventeen thousand, five hundred seventy-two".