157381207 has 2 divisors, whose sum is σ = 157381208. Its totient is φ = 157381206.

The previous prime is 157381187. The next prime is 157381253. The reversal of 157381207 is 702183751.

157381207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157381207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157381277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78690603 + 78690604.

It is an arithmetic number, because the mean of its divisors is an integer number (78690604).

Almost surely, 2^157381207 is an apocalyptic number.

157381207 is a deficient number, since it is larger than the sum of its proper divisors (1).

157381207 is an equidigital number, since it uses as much as digits as its factorization.

157381207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 157381207 is about 12545.1666788449. The cubic root of 157381207 is about 539.9053412039.

The spelling of 157381207 in words is "one hundred fifty-seven million, three hundred eighty-one thousand, two hundred seven".