157049 has 2 divisors, whose sum is σ = 157050. Its totient is φ = 157048.

The previous prime is 157037. The next prime is 157051. The reversal of 157049 is 940751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 1024 = 395^2 + 32^2 .

It is a cyclic number.

It is not a de Polignac number, because 157049 - 2¹² = 152953 is a prime.

Together with 157051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157019) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78524 + 78525.

It is an arithmetic number, because the mean of its divisors is an integer number (78525).

2¹⁵⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

157049 is a deficient number, since it is larger than the sum of its proper divisors (1).

157049 is an equidigital number, since it uses as much as digits as its factorization.

157049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 157049 is about 396.2940827214. The cubic root of 157049 is about 53.9525188483.

The spelling of 157049 in words is "one hundred fifty-seven thousand, forty-nine".