45503532 has 30 divisors (see below), whose sum is σ = 118956068. Its totient is φ = 15167736.

The previous prime is 45503527. The next prime is 45503533. The reversal of 45503532 is 23530554.

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

It is a junction number, because it is equal to n+sod(n) for n = 45503496 and 45503505.

It is not an unprimeable number, because it can be changed into a prime (45503533) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 69898 + ... + 70545.

Almost surely, 2^45503532 is an apocalyptic number.

It is an amenable number.

45503532 is an abundant number, since it is smaller than the sum of its proper divisors (73452536).

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

45503532 is a wasteful number, since it uses less digits than its factorization.

45503532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140459 (or 140448 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 45503532 is about 6745.6305857940. The cubic root of 45503532 is about 357.0110864434.

The spelling of 45503532 in words is "forty-five million, five hundred three thousand, five hundred thirty-two".