14157231 has 8 divisors (see below), whose sum is σ = 20592384. Its totient is φ = 8580120.

The previous prime is 14157229. The next prime is 14157233. The reversal of 14157231 is 13275141.

14157231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14157229) and next prime (14157233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14157231 - 2¹ = 14157229 is a prime.

It is a super-2 number, since 2×14157231² = 400854379174722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14157233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214471 + ... + 214536.

It is an arithmetic number, because the mean of its divisors is an integer number (2574048).

Almost surely, 2^14157231 is an apocalyptic number.

14157231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14157231 is a deficient number, since it is larger than the sum of its proper divisors (6435153).

14157231 is a wasteful number, since it uses less digits than its factorization.

14157231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429021.

The product of its digits is 840, while the sum is 24.

The square root of 14157231 is about 3762.6095997326. The cubic root of 14157231 is about 241.9131293507.

It can be divided in two parts, 1415 and 7231, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 14157231 in words is "fourteen million, one hundred fifty-seven thousand, two hundred thirty-one".