157157143 has 32 divisors (see below), whose sum is σ = 191923200. Its totient is φ = 126783360.

The previous prime is 157157087. The next prime is 157157159. The reversal of 157157143 is 341751751.

It is a happy number.

157157143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157157143 - 2¹⁷ = 157026071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157157099 and 157157108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157157173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450133 + ... + 450481.

It is an arithmetic number, because the mean of its divisors is an integer number (5997600).

Almost surely, 2^157157143 is an apocalyptic number.

157157143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157157143 is a deficient number, since it is larger than the sum of its proper divisors (34766057).

157157143 is a wasteful number, since it uses less digits than its factorization.

157157143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 14700, while the sum is 34.

The square root of 157157143 is about 12536.2332061908. The cubic root of 157157143 is about 539.6489980057.

The spelling of 157157143 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, one hundred forty-three".