157930307 has 2 divisors, whose sum is σ = 157930308. Its totient is φ = 157930306.

The previous prime is 157930277. The next prime is 157930309. The reversal of 157930307 is 703039751.

157930307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157930307 - 2²⁶ = 90821443 is a prime.

It is a super-3 number, since 3×157930307³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 157930309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157930309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78965153 + 78965154.

It is an arithmetic number, because the mean of its divisors is an integer number (78965154).

Almost surely, 2^157930307 is an apocalyptic number.

157930307 is a deficient number, since it is larger than the sum of its proper divisors (1).

157930307 is an equidigital number, since it uses as much as digits as its factorization.

157930307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 157930307 is about 12567.0325455137. The cubic root of 157930307 is about 540.5325188105.

The spelling of 157930307 in words is "one hundred fifty-seven million, nine hundred thirty thousand, three hundred seven".