157235201 has 4 divisors (see below), whose sum is σ = 159225600. Its totient is φ = 155244804.

The previous prime is 157235173. The next prime is 157235207. The reversal of 157235201 is 102532751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 157235201 - 2⁶ = 157235137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157235207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995081 + ... + 995238.

It is an arithmetic number, because the mean of its divisors is an integer number (39806400).

Almost surely, 2^157235201 is an apocalyptic number.

It is an amenable number.

157235201 is a deficient number, since it is larger than the sum of its proper divisors (1990399).

157235201 is an equidigital number, since it uses as much as digits as its factorization.

157235201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990398.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 157235201 is about 12539.3461153283. The cubic root of 157235201 is about 539.7383288679.

Adding to 157235201 its reverse (102532751), we get a palindrome (259767952).

The spelling of 157235201 in words is "one hundred fifty-seven million, two hundred thirty-five thousand, two hundred one".