45603537 has 32 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 24323328.

The previous prime is 45603527. The next prime is 45603557. The reversal of 45603537 is 73530654.

It is not a de Polignac number, because 45603537 - 2⁷ = 45603409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45603498 and 45603507.

It is not an unprimeable number, because it can be changed into a prime (45603517) 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, 49164 + ... + 50082.

It is an arithmetic number, because the mean of its divisors is an integer number (2318400).

Almost surely, 2^45603537 is an apocalyptic number.

45603537 is the 5514-th pentagonal number.

It is an amenable number.

45603537 is a deficient number, since it is larger than the sum of its proper divisors (28585263).

45603537 is a wasteful number, since it uses less digits than its factorization.

45603537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 45603537 is about 6753.0390936230. The cubic root of 45603537 is about 357.2724344368.

The spelling of 45603537 in words is "forty-five million, six hundred three thousand, five hundred thirty-seven".