157047557 has 16 divisors (see below), whose sum is σ = 166320000. Its totient is φ = 148069824.

The previous prime is 157047551. The next prime is 157047587. The reversal of 157047557 is 755740751.

It is a happy number.

It is not a de Polignac number, because 157047557 - 2⁶ = 157047493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157047551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449819 + ... + 450167.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2^157047557 is an apocalyptic number.

It is an amenable number.

157047557 is a deficient number, since it is larger than the sum of its proper divisors (9272443).

157047557 is a wasteful number, since it uses less digits than its factorization.

157047557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 171500, while the sum is 41.

The square root of 157047557 is about 12531.8616733509. The cubic root of 157047557 is about 539.5235360530.

The spelling of 157047557 in words is "one hundred fifty-seven million, forty-seven thousand, five hundred fifty-seven".