157162641 has 4 divisors (see below), whose sum is σ = 209550192. Its totient is φ = 104775092.

The previous prime is 157162639. The next prime is 157162651. The reversal of 157162641 is 146261751.

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 157162641 - 2¹ = 157162639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157162651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26193771 + ... + 26193776.

It is an arithmetic number, because the mean of its divisors is an integer number (52387548).

Almost surely, 2^157162641 is an apocalyptic number.

It is an amenable number.

157162641 is a deficient number, since it is larger than the sum of its proper divisors (52387551).

157162641 is an equidigital number, since it uses as much as digits as its factorization.

157162641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52387550.

The product of its digits is 10080, while the sum is 33.

The square root of 157162641 is about 12536.4524886429. The cubic root of 157162641 is about 539.6552909757.

The spelling of 157162641 in words is "one hundred fifty-seven million, one hundred sixty-two thousand, six hundred forty-one".