157235207 has 2 divisors, whose sum is σ = 157235208. Its totient is φ = 157235206.

The previous prime is 157235173. The next prime is 157235233. The reversal of 157235207 is 702532751.

157235207 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 157235207 - 2¹⁰ = 157234183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157235297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78617603 + 78617604.

It is an arithmetic number, because the mean of its divisors is an integer number (78617604).

Almost surely, 2^157235207 is an apocalyptic number.

157235207 is a deficient number, since it is larger than the sum of its proper divisors (1).

157235207 is an equidigital number, since it uses as much as digits as its factorization.

157235207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 157235207 is about 12539.3463545753. The cubic root of 157235207 is about 539.7383357333.

Adding to 157235207 its reverse (702532751), we get a palindrome (859767958).

The spelling of 157235207 in words is "one hundred fifty-seven million, two hundred thirty-five thousand, two hundred seven".