14807244157 has 4 divisors (see below), whose sum is σ = 14807935420. Its totient is φ = 14806552896.

The previous prime is 14807244143. The next prime is 14807244169. The reversal of 14807244157 is 75144270841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75144270841 = 317 ⋅237048173.

It can be written as a sum of positive squares in 2 ways, for example, as 14645598361 + 161645796 = 121019^2 + 12714^2 .

It is a cyclic number.

It is not a de Polignac number, because 14807244157 - 2⁷ = 14807244029 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 (14807244107) 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, 312438 + ... + 356695.

It is an arithmetic number, because the mean of its divisors is an integer number (3701983855).

Almost surely, 2^14807244157 is an apocalyptic number.

It is an amenable number.

14807244157 is a deficient number, since it is larger than the sum of its proper divisors (691263).

14807244157 is an equidigital number, since it uses as much as digits as its factorization.

14807244157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691262.

The product of its (nonzero) digits is 250880, while the sum is 43.

The spelling of 14807244157 in words is "fourteen billion, eight hundred seven million, two hundred forty-four thousand, one hundred fifty-seven".