415240157 has 2 divisors, whose sum is σ = 415240158. Its totient is φ = 415240156.

The previous prime is 415240153. The next prime is 415240211. The reversal of 415240157 is 751042514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397842916 + 17397241 = 19946^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 415240157 - 2² = 415240153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415240151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207620078 + 207620079.

It is an arithmetic number, because the mean of its divisors is an integer number (207620079).

Almost surely, 2^415240157 is an apocalyptic number.

It is an amenable number.

415240157 is a deficient number, since it is larger than the sum of its proper divisors (1).

415240157 is an equidigital number, since it uses as much as digits as its factorization.

415240157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 415240157 is about 20377.4423566845. The cubic root of 415240157 is about 746.0474475496.

The spelling of 415240157 in words is "four hundred fifteen million, two hundred forty thousand, one hundred fifty-seven".