45538732 has 6 divisors (see below), whose sum is σ = 79692788. Its totient is φ = 22769364.

The previous prime is 45538709. The next prime is 45538739. The reversal of 45538732 is 23783554.

It is a super-2 number, since 2×45538732² = 4147552224335648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45538691 and 45538700.

It is not an unprimeable number, because it can be changed into a prime (45538739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692338 + ... + 5692345.

Almost surely, 2^45538732 is an apocalyptic number.

It is an amenable number.

45538732 is a deficient number, since it is larger than the sum of its proper divisors (34154056).

45538732 is a wasteful number, since it uses less digits than its factorization.

45538732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11384687 (or 11384685 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 45538732 is about 6748.2391777411. The cubic root of 45538732 is about 357.1031199674.

The spelling of 45538732 in words is "forty-five million, five hundred thirty-eight thousand, seven hundred thirty-two".