157970041 has 2 divisors, whose sum is σ = 157970042. Its totient is φ = 157970040.

The previous prime is 157970027. The next prime is 157970107. The reversal of 157970041 is 140079751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153041641 + 4928400 = 12371^2 + 2220^2 .

It is a cyclic number.

It is not a de Polignac number, because 157970041 - 2⁷ = 157969913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157969979 and 157970006.

It is not a weakly prime, because it can be changed into another prime (157970741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78985020 + 78985021.

It is an arithmetic number, because the mean of its divisors is an integer number (78985021).

Almost surely, 2^157970041 is an apocalyptic number.

It is an amenable number.

157970041 is a deficient number, since it is larger than the sum of its proper divisors (1).

157970041 is an equidigital number, since it uses as much as digits as its factorization.

157970041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 157970041 is about 12568.6133284464. The cubic root of 157970041 is about 540.5778462265.

The spelling of 157970041 in words is "one hundred fifty-seven million, nine hundred seventy thousand, forty-one".