157443143 has 24 divisors (see below), whose sum is σ = 188404608. Its totient is φ = 130680000.

The previous prime is 157443133. The next prime is 157443151. The reversal of 157443143 is 341344751.

It is not a de Polignac number, because 157443143 - 2⁴ = 157443127 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 (157443113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158378 + ... + 159368.

It is an arithmetic number, because the mean of its divisors is an integer number (7850192).

Almost surely, 2^157443143 is an apocalyptic number.

157443143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157443143 is a deficient number, since it is larger than the sum of its proper divisors (30961465).

157443143 is a wasteful number, since it uses less digits than its factorization.

157443143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1116 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 157443143 is about 12547.6349564370. The cubic root of 157443143 is about 539.9761569262.

Adding to 157443143 its reverse (341344751), we get a palindrome (498787894).

The spelling of 157443143 in words is "one hundred fifty-seven million, four hundred forty-three thousand, one hundred forty-three".