45157432 has 8 divisors (see below), whose sum is σ = 84670200. Its totient is φ = 22578712.

The previous prime is 45157429. The next prime is 45157447. The reversal of 45157432 is 23475154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 45157394 and 45157403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822332 + ... + 2822347.

It is an arithmetic number, because the mean of its divisors is an integer number (10583775).

Almost surely, 2^45157432 is an apocalyptic number.

It is an amenable number.

45157432 is a deficient number, since it is larger than the sum of its proper divisors (39512768).

45157432 is a wasteful number, since it uses less digits than its factorization.

45157432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644685 (or 5644681 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 45157432 is about 6719.9279758045. The cubic root of 45157432 is about 356.1036393957.

The spelling of 45157432 in words is "forty-five million, one hundred fifty-seven thousand, four hundred thirty-two".