157814387 has 2 divisors, whose sum is σ = 157814388. Its totient is φ = 157814386.

The previous prime is 157814369. The next prime is 157814401. The reversal of 157814387 is 783418751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157814387 - 2⁸ = 157814131 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157814347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78907193 + 78907194.

It is an arithmetic number, because the mean of its divisors is an integer number (78907194).

Almost surely, 2^157814387 is an apocalyptic number.

157814387 is a deficient number, since it is larger than the sum of its proper divisors (1).

157814387 is an equidigital number, since it uses as much as digits as its factorization.

157814387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 44.

The square root of 157814387 is about 12562.4196315837. The cubic root of 157814387 is about 540.4002371153.

The spelling of 157814387 in words is "one hundred fifty-seven million, eight hundred fourteen thousand, three hundred eighty-seven".