157090441 has 2 divisors, whose sum is σ = 157090442. Its totient is φ = 157090440.

The previous prime is 157090399. The next prime is 157090447. The reversal of 157090441 is 144090751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 44836416 = 10595^2 + 6696^2 .

It is a cyclic number.

It is not a de Polignac number, because 157090441 - 2¹⁵ = 157057673 is a prime.

It is not a weakly prime, because it can be changed into another prime (157090447) 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, 78545220 + 78545221.

It is an arithmetic number, because the mean of its divisors is an integer number (78545221).

Almost surely, 2^157090441 is an apocalyptic number.

It is an amenable number.

157090441 is a deficient number, since it is larger than the sum of its proper divisors (1).

157090441 is an equidigital number, since it uses as much as digits as its factorization.

157090441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 157090441 is about 12533.5725553411. The cubic root of 157090441 is about 539.5726396964.

The spelling of 157090441 in words is "one hundred fifty-seven million, ninety thousand, four hundred forty-one".