157460549 has 2 divisors, whose sum is σ = 157460550. Its totient is φ = 157460548.

The previous prime is 157460533. The next prime is 157460561. The reversal of 157460549 is 945064751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153388225 + 4072324 = 12385^2 + 2018^2 .

It is a cyclic number.

It is not a de Polignac number, because 157460549 - 2⁴ = 157460533 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157460449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78730274 + 78730275.

It is an arithmetic number, because the mean of its divisors is an integer number (78730275).

Almost surely, 2^157460549 is an apocalyptic number.

It is an amenable number.

157460549 is a deficient number, since it is larger than the sum of its proper divisors (1).

157460549 is an equidigital number, since it uses as much as digits as its factorization.

157460549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 157460549 is about 12548.3285341116. The cubic root of 157460549 is about 539.9960550695.

The spelling of 157460549 in words is "one hundred fifty-seven million, four hundred sixty thousand, five hundred forty-nine".