157033747 has 8 divisors (see below), whose sum is σ = 169544816. Its totient is φ = 144584352.

The previous prime is 157033733. The next prime is 157033763. The reversal of 157033747 is 747330751.

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 157033747 - 2²⁷ = 22816019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157033847) 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, 10053 + ... + 20374.

It is an arithmetic number, because the mean of its divisors is an integer number (21193102).

Almost surely, 2^157033747 is an apocalyptic number.

157033747 is a deficient number, since it is larger than the sum of its proper divisors (12511069).

157033747 is a wasteful number, since it uses less digits than its factorization.

157033747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30837.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 157033747 is about 12531.3106656886. The cubic root of 157033747 is about 539.5077212290.

The spelling of 157033747 in words is "one hundred fifty-seven million, thirty-three thousand, seven hundred forty-seven".