15143 has 4 divisors (see below), whose sum is σ = 15960. Its totient is φ = 14328.

The previous prime is 15139. The next prime is 15149. The reversal of 15143 is 34151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15143 - 2² = 15139 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380 + ... + 417.

It is an arithmetic number, because the mean of its divisors is an integer number (3990).

2¹⁵¹⁴³ is an apocalyptic number.

15143 is a deficient number, since it is larger than the sum of its proper divisors (817).

15143 is an equidigital number, since it uses as much as digits as its factorization.

15143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its digits is 60, while the sum is 14.

The square root of 15143 is about 123.0568974093. The cubic root of 15143 is about 24.7402437485.

Subtracting from 15143 its sum of digits (14), we obtain a square (15129 = 123²).

Adding to 15143 its reverse (34151), we get a palindrome (49294).

It can be divided in two parts, 15 and 143, that multiplied together give a triangular number (2145 = T₆₅).

The spelling of 15143 in words is "fifteen thousand, one hundred forty-three".