14157381 has 8 divisors (see below), whose sum is σ = 21573184. Its totient is φ = 8089920.

The previous prime is 14157373. The next prime is 14157383. The reversal of 14157381 is 18375141.

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

It is not a de Polignac number, because 14157381 - 2³ = 14157373 is a prime.

It is a super-2 number, since 2×14157381² = 400862873558322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14157383) 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, 337060 + ... + 337101.

It is an arithmetic number, because the mean of its divisors is an integer number (2696648).

Almost surely, 2^14157381 is an apocalyptic number.

It is an amenable number.

14157381 is a deficient number, since it is larger than the sum of its proper divisors (7415803).

14157381 is an equidigital number, since it uses as much as digits as its factorization.

14157381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674171.

The product of its digits is 3360, while the sum is 30.

The square root of 14157381 is about 3762.6295326540. The cubic root of 14157381 is about 241.9139837278.

The spelling of 14157381 in words is "fourteen million, one hundred fifty-seven thousand, three hundred eighty-one".