45129932 has 12 divisors (see below), whose sum is σ = 79038960. Its totient is φ = 22547376.

The previous prime is 45129907. The next prime is 45129941. The reversal of 45129932 is 23992154.

It is a junction number, because it is equal to n+sod(n) for n = 45129892 and 45129901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2618 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (6586580).

Almost surely, 2^45129932 is an apocalyptic number.

It is an amenable number.

45129932 is a deficient number, since it is larger than the sum of its proper divisors (33909028).

45129932 is a wasteful number, since it uses less digits than its factorization.

45129932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800 (or 8798 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 45129932 is about 6717.8815113099. The cubic root of 45129932 is about 356.0313379811.

The spelling of 45129932 in words is "forty-five million, one hundred twenty-nine thousand, nine hundred thirty-two".