45157342 has 4 divisors (see below), whose sum is σ = 67736016. Its totient is φ = 22578670.

The previous prime is 45157339. The next prime is 45157367. The reversal of 45157342 is 24375154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24375154 = 2 ⋅12187577.

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, 11289334 + ... + 11289337.

It is an arithmetic number, because the mean of its divisors is an integer number (16934004).

Almost surely, 2^45157342 is an apocalyptic number.

45157342 is a deficient number, since it is larger than the sum of its proper divisors (22578674).

45157342 is a wasteful number, since it uses less digits than its factorization.

45157342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22578673.

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

The square root of 45157342 is about 6719.9212793008. The cubic root of 45157342 is about 356.1034028208.

The spelling of 45157342 in words is "forty-five million, one hundred fifty-seven thousand, three hundred forty-two".