157539461 has 2 divisors, whose sum is σ = 157539462. Its totient is φ = 157539460.

The previous prime is 157539457. The next prime is 157539517. The reversal of 157539461 is 164935751.

157539461 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., 86136961 + 71402500 = 9281^2 + 8450^2 .

It is a cyclic number.

It is not a de Polignac number, because 157539461 - 2² = 157539457 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157539661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78769730 + 78769731.

It is an arithmetic number, because the mean of its divisors is an integer number (78769731).

Almost surely, 2^157539461 is an apocalyptic number.

It is an amenable number.

157539461 is a deficient number, since it is larger than the sum of its proper divisors (1).

157539461 is an equidigital number, since it uses as much as digits as its factorization.

157539461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 157539461 is about 12551.4724634204. The cubic root of 157539461 is about 540.0862470838.

The spelling of 157539461 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, four hundred sixty-one".