157161341 has 2 divisors, whose sum is σ = 157161342. Its totient is φ = 157161340.

The previous prime is 157161317. The next prime is 157161383. The reversal of 157161341 is 143161751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155102116 + 2059225 = 12454^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 157161341 - 2²⁶ = 90052477 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157164341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78580670 + 78580671.

It is an arithmetic number, because the mean of its divisors is an integer number (78580671).

Almost surely, 2^157161341 is an apocalyptic number.

It is an amenable number.

157161341 is a deficient number, since it is larger than the sum of its proper divisors (1).

157161341 is an equidigital number, since it uses as much as digits as its factorization.

157161341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 29.

The square root of 157161341 is about 12536.4006397371. The cubic root of 157161341 is about 539.6538030186.

The spelling of 157161341 in words is "one hundred fifty-seven million, one hundred sixty-one thousand, three hundred forty-one".