157541857 has 16 divisors (see below), whose sum is σ = 175541184. Its totient is φ = 140184000.

The previous prime is 157541801. The next prime is 157541861. The reversal of 157541857 is 758145751.

It is not a de Polignac number, because 157541857 - 2⁷ = 157541729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157541887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132807 + ... + 133987.

It is an arithmetic number, because the mean of its divisors is an integer number (10971324).

Almost surely, 2^157541857 is an apocalyptic number.

It is an amenable number.

157541857 is a deficient number, since it is larger than the sum of its proper divisors (17999327).

157541857 is a wasteful number, since it uses less digits than its factorization.

157541857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440.

The product of its digits is 196000, while the sum is 43.

The square root of 157541857 is about 12551.5679100262. The cubic root of 157541857 is about 540.0889851070.

The spelling of 157541857 in words is "one hundred fifty-seven million, five hundred forty-one thousand, eight hundred fifty-seven".