157741069 has 2 divisors, whose sum is σ = 157741070. Its totient is φ = 157741068.

The previous prime is 157741039. The next prime is 157741081. The reversal of 157741069 is 960147751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130804969 + 26936100 = 11437^2 + 5190^2 .

It is a cyclic number.

It is not a de Polignac number, because 157741069 - 2⁵ = 157741037 is a prime.

It is a super-2 number, since 2×157741069² = 49764489698525522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157741009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78870534 + 78870535.

It is an arithmetic number, because the mean of its divisors is an integer number (78870535).

Almost surely, 2^157741069 is an apocalyptic number.

It is an amenable number.

157741069 is a deficient number, since it is larger than the sum of its proper divisors (1).

157741069 is an equidigital number, since it uses as much as digits as its factorization.

157741069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 157741069 is about 12559.5011445519. The cubic root of 157741069 is about 540.3165370956.

The spelling of 157741069 in words is "one hundred fifty-seven million, seven hundred forty-one thousand, sixty-nine".