157143 has 12 divisors (see below), whose sum is σ = 243960. Its totient is φ = 89712.

The previous prime is 157141. The next prime is 157163. The reversal of 157143 is 341751.

It is not a de Polignac number, because 157143 - 2¹ = 157141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

157143 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (20330).

2¹⁵⁷¹⁴³ is an apocalyptic number.

157143 is a deficient number, since it is larger than the sum of its proper divisors (86817).

157143 is a wasteful number, since it uses less digits than its factorization.

157143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1079 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 157143 is about 396.4126637735. The cubic root of 157143 is about 53.9632809358.

Adding to 157143 its reverse (341751), we get a palindrome (498894).

It can be divided in two parts, 157 and 143, that added together give a triangular number (300 = T₂₄).

The spelling of 157143 in words is "one hundred fifty-seven thousand, one hundred forty-three".