79143 has 16 divisors (see below), whose sum is σ = 116736. Its totient is φ = 47520.

The previous prime is 79139. The next prime is 79147. The reversal of 79143 is 34197.

79143 = 27² + 28² + ... + 63².

It is an interprime number because it is at equal distance from previous prime (79139) and next prime (79147).

It is not a de Polignac number, because 79143 - 2² = 79139 is a prime.

It is a super-2 number, since 2×79143² = 12527228898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79147) 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, 2121 + ... + 2157.

It is an arithmetic number, because the mean of its divisors is an integer number (7296).

2⁷⁹¹⁴³ is an apocalyptic number.

79143 is a deficient number, since it is larger than the sum of its proper divisors (37593).

79143 is a wasteful number, since it uses less digits than its factorization.

79143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94.

The product of its digits is 756, while the sum is 24.

The square root of 79143 is about 281.3236570216. The cubic root of 79143 is about 42.9342785457.

Subtracting from 79143 its product of digits (756), we obtain a palindrome (78387).

It can be divided in two parts, 79 and 143, that added together give a palindrome (222).

The spelling of 79143 in words is "seventy-nine thousand, one hundred forty-three".