157148291 has 4 divisors (see below), whose sum is σ = 157540584. Its totient is φ = 156756000.

The previous prime is 157148239. The next prime is 157148353. The reversal of 157148291 is 192841751.

157148291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157148291 - 2⁶ = 157148227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157148191) 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, 195545 + ... + 196346.

It is an arithmetic number, because the mean of its divisors is an integer number (39385146).

Almost surely, 2^157148291 is an apocalyptic number.

157148291 is a deficient number, since it is larger than the sum of its proper divisors (392293).

157148291 is an equidigital number, since it uses as much as digits as its factorization.

157148291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392292.

The product of its digits is 20160, while the sum is 38.

The square root of 157148291 is about 12535.8801446089. The cubic root of 157148291 is about 539.6388657636.

The spelling of 157148291 in words is "one hundred fifty-seven million, one hundred forty-eight thousand, two hundred ninety-one".