14514612157 has 4 divisors (see below), whose sum is σ = 14514856416. Its totient is φ = 14514367900.

The previous prime is 14514612149. The next prime is 14514612173. The reversal of 14514612157 is 75121641541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75121641541 = 25073 ⋅2996117.

It is a cyclic number.

It is not a de Polignac number, because 14514612157 - 2³ = 14514612149 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 (14514616157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31032 + ... + 173182.

It is an arithmetic number, because the mean of its divisors is an integer number (3628714104).

Almost surely, 2^14514612157 is an apocalyptic number.

It is an amenable number.

14514612157 is a deficient number, since it is larger than the sum of its proper divisors (244259).

14514612157 is a wasteful number, since it uses less digits than its factorization.

14514612157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244258.

The product of its digits is 33600, while the sum is 37.

The spelling of 14514612157 in words is "fourteen billion, five hundred fourteen million, six hundred twelve thousand, one hundred fifty-seven".