45447032 has 16 divisors (see below), whose sum is σ = 85371000. Its totient is φ = 22681440.

The previous prime is 45446981. The next prime is 45447037. The reversal of 45447032 is 23074454.

It is a junction number, because it is equal to n+sod(n) for n = 45446986 and 45447004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45447037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407 + ... + 9542.

Almost surely, 2^45447032 is an apocalyptic number.

It is an amenable number.

45447032 is a deficient number, since it is larger than the sum of its proper divisors (39923968).

45447032 is a wasteful number, since it uses less digits than its factorization.

45447032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526 (or 10522 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 45447032 is about 6741.4413889019. The cubic root of 45447032 is about 356.8632628948.

The spelling of 45447032 in words is "forty-five million, four hundred forty-seven thousand, thirty-two".