157464121 has 2 divisors, whose sum is σ = 157464122. Its totient is φ = 157464120.

The previous prime is 157464103. The next prime is 157464163. The reversal of 157464121 is 121464751.

157464121 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 can be written as a sum of positive squares in only one way, i.e., 157251600 + 212521 = 12540^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 157464121 - 2⁹ = 157463609 is a prime.

It is not a weakly prime, because it can be changed into another prime (157464721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78732060 + 78732061.

It is an arithmetic number, because the mean of its divisors is an integer number (78732061).

Almost surely, 2^157464121 is an apocalyptic number.

It is an amenable number.

157464121 is a deficient number, since it is larger than the sum of its proper divisors (1).

157464121 is an equidigital number, since it uses as much as digits as its factorization.

157464121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 157464121 is about 12548.4708630175. The cubic root of 157464121 is about 540.0001383173. Note that the first 3 decimals are identical.

The spelling of 157464121 in words is "one hundred fifty-seven million, four hundred sixty-four thousand, one hundred twenty-one".