14157378 has 24 divisors (see below), whose sum is σ = 30820608. Its totient is φ = 4696632.

The previous prime is 14157373. The next prime is 14157383. The reversal of 14157378 is 87375141.

14157378 is a `hidden beast` number, since 14 + 1 + 573 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (14157373) and next prime (14157383).

It is not an unprimeable number, because it can be changed into a prime (14157371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2251 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^14157378 is an apocalyptic number.

14157378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14157378 is an abundant number, since it is smaller than the sum of its proper divisors (16663230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14157378 is a wasteful number, since it uses less digits than its factorization.

14157378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3755 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 14157378 is about 3762.6291339966. The cubic root of 14157378 is about 241.9139666403.

It can be divided in two parts, 14157 and 378, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 14157378 in words is "fourteen million, one hundred fifty-seven thousand, three hundred seventy-eight".