45157057 has 8 divisors (see below), whose sum is σ = 50594112. Its totient is φ = 39942000.

The previous prime is 45157051. The next prime is 45157061. The reversal of 45157057 is 75075154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45157057 - 2⁷ = 45156929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45157051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55069 + ... + 55882.

It is an arithmetic number, because the mean of its divisors is an integer number (6324264).

Almost surely, 2^45157057 is an apocalyptic number.

It is an amenable number.

45157057 is a deficient number, since it is larger than the sum of its proper divisors (5437055).

45157057 is a wasteful number, since it uses less digits than its factorization.

45157057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110999.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 45157057 is about 6719.9000736618. The cubic root of 45157057 is about 356.1026536648.

The spelling of 45157057 in words is "forty-five million, one hundred fifty-seven thousand, fifty-seven".