157340147 has 2 divisors, whose sum is σ = 157340148. Its totient is φ = 157340146.

The previous prime is 157340143. The next prime is 157340191. The reversal of 157340147 is 741043751.

157340147 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 is a cyclic number.

It is not a de Polignac number, because 157340147 - 2² = 157340143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157340143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78670073 + 78670074.

It is an arithmetic number, because the mean of its divisors is an integer number (78670074).

Almost surely, 2^157340147 is an apocalyptic number.

157340147 is a deficient number, since it is larger than the sum of its proper divisors (1).

157340147 is an equidigital number, since it uses as much as digits as its factorization.

157340147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 157340147 is about 12543.5300852671. The cubic root of 157340147 is about 539.8583842178.

Adding to 157340147 its reverse (741043751), we get a palindrome (898383898).

The spelling of 157340147 in words is "one hundred fifty-seven million, three hundred forty thousand, one hundred forty-seven".