157946699 has 2 divisors, whose sum is σ = 157946700. Its totient is φ = 157946698.

The previous prime is 157946687. The next prime is 157946713. The reversal of 157946699 is 996649751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157946699 - 2⁴ = 157946683 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157945699) 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, 78973349 + 78973350.

It is an arithmetic number, because the mean of its divisors is an integer number (78973350).

Almost surely, 2^157946699 is an apocalyptic number.

157946699 is a deficient number, since it is larger than the sum of its proper divisors (1).

157946699 is an equidigital number, since it uses as much as digits as its factorization.

157946699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3674160, while the sum is 56.

The square root of 157946699 is about 12567.6847111948. The cubic root of 157946699 is about 540.5512192586.

The spelling of 157946699 in words is "one hundred fifty-seven million, nine hundred forty-six thousand, six hundred ninety-nine".