157479241 has 2 divisors, whose sum is σ = 157479242. Its totient is φ = 157479240.

The previous prime is 157479227. The next prime is 157479331. The reversal of 157479241 is 142974751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130439241 + 27040000 = 11421^2 + 5200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157479241 is a prime.

It is a super-2 number, since 2×157479241² = 49599422691872162, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 157479194 and 157479203.

It is not a weakly prime, because it can be changed into another prime (157479841) 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, 78739620 + 78739621.

It is an arithmetic number, because the mean of its divisors is an integer number (78739621).

Almost surely, 2^157479241 is an apocalyptic number.

It is an amenable number.

157479241 is a deficient number, since it is larger than the sum of its proper divisors (1).

157479241 is an equidigital number, since it uses as much as digits as its factorization.

157479241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 40.

The square root of 157479241 is about 12549.0733124004. The cubic root of 157479241 is about 540.0174217059.

The spelling of 157479241 in words is "one hundred fifty-seven million, four hundred seventy-nine thousand, two hundred forty-one".