45572505 has 32 divisors (see below), whose sum is σ = 80040960. Its totient is φ = 21958080.

The previous prime is 45572489. The next prime is 45572509. The reversal of 45572505 is 50527554.

It is not a de Polignac number, because 45572505 - 2⁴ = 45572489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45572509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28764 + ... + 30306.

It is an arithmetic number, because the mean of its divisors is an integer number (2501280).

Almost surely, 2^45572505 is an apocalyptic number.

It is an amenable number.

45572505 is a deficient number, since it is larger than the sum of its proper divisors (34468455).

45572505 is a wasteful number, since it uses less digits than its factorization.

45572505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 35000, while the sum is 33.

The square root of 45572505 is about 6750.7410704307. The cubic root of 45572505 is about 357.1913779030.

The spelling of 45572505 in words is "forty-five million, five hundred seventy-two thousand, five hundred five".