45405632 has 28 divisors (see below), whose sum is σ = 91455240. Its totient is φ = 22361856.

The previous prime is 45405629. The next prime is 45405637. The reversal of 45405632 is 23650454.

It is a junction number, because it is equal to n+sod(n) for n = 45405595 and 45405604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405637) 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, 1007 + ... + 9582.

Almost surely, 2^45405632 is an apocalyptic number.

It is an amenable number.

45405632 is an abundant number, since it is smaller than the sum of its proper divisors (46049608).

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

45405632 is a wasteful number, since it uses less digits than its factorization.

45405632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668 (or 10658 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 45405632 is about 6738.3701293414. The cubic root of 45405632 is about 356.7548683757.

The spelling of 45405632 in words is "forty-five million, four hundred five thousand, six hundred thirty-two".