45157642 has 8 divisors (see below), whose sum is σ = 71301600. Its totient is φ = 21390444.

The previous prime is 45157639. The next prime is 45157657. The reversal of 45157642 is 24675154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 45157598 and 45157607.

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, 594142 + ... + 594217.

It is an arithmetic number, because the mean of its divisors is an integer number (8912700).

Almost surely, 2^45157642 is an apocalyptic number.

45157642 is a deficient number, since it is larger than the sum of its proper divisors (26143958).

45157642 is a wasteful number, since it uses less digits than its factorization.

45157642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188380.

The product of its digits is 33600, while the sum is 34.

The square root of 45157642 is about 6719.9436009538. The cubic root of 45157642 is about 356.1041914027.

The spelling of 45157642 in words is "forty-five million, one hundred fifty-seven thousand, six hundred forty-two".