14572157 has 4 divisors (see below), whose sum is σ = 14629116. Its totient is φ = 14515200.

The previous prime is 14572153. The next prime is 14572163. The reversal of 14572157 is 75127541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75127541 = 1229 ⋅61129.

It can be written as a sum of positive squares in 2 ways, for example, as 12538681 + 2033476 = 3541^2 + 1426^2 .

It is a cyclic number.

It is not a de Polignac number, because 14572157 - 2² = 14572153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14572153) 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, 28094 + ... + 28607.

It is an arithmetic number, because the mean of its divisors is an integer number (3657279).

Almost surely, 2^14572157 is an apocalyptic number.

It is an amenable number.

14572157 is a deficient number, since it is larger than the sum of its proper divisors (56959).

14572157 is an equidigital number, since it uses as much as digits as its factorization.

14572157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56958.

The product of its digits is 9800, while the sum is 32.

The square root of 14572157 is about 3817.3494731292. The cubic root of 14572157 is about 244.2537727449.

Adding to 14572157 its reverse (75127541), we get a palindrome (89699698).

The spelling of 14572157 in words is "fourteen million, five hundred seventy-two thousand, one hundred fifty-seven".