45681532 has 24 divisors (see below), whose sum is σ = 88422656. Its totient is φ = 20513088.

The previous prime is 45681527. The next prime is 45681541. The reversal of 45681532 is 23518654.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9948 + ... + 13795.

Almost surely, 2^45681532 is an apocalyptic number.

It is an amenable number.

45681532 is a deficient number, since it is larger than the sum of its proper divisors (42741124).

45681532 is a wasteful number, since it uses less digits than its factorization.

45681532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23797 (or 23795 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 45681532 is about 6758.8114339727. The cubic root of 45681532 is about 357.4759975409.

The spelling of 45681532 in words is "forty-five million, six hundred eighty-one thousand, five hundred thirty-two".