415944157 has 2 divisors, whose sum is σ = 415944158. Its totient is φ = 415944156.

The previous prime is 415944127. The next prime is 415944161. The reversal of 415944157 is 751449514.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 359709156 + 56235001 = 18966^2 + 7499^2 .

It is a cyclic number.

It is not a de Polignac number, because 415944157 - 2¹⁹ = 415419869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (415944127) 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, 207972078 + 207972079.

It is an arithmetic number, because the mean of its divisors is an integer number (207972079).

Almost surely, 2^415944157 is an apocalyptic number.

It is an amenable number.

415944157 is a deficient number, since it is larger than the sum of its proper divisors (1).

415944157 is an equidigital number, since it uses as much as digits as its factorization.

415944157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 415944157 is about 20394.7090442595. The cubic root of 415944157 is about 746.4688268846.

The spelling of 415944157 in words is "four hundred fifteen million, nine hundred forty-four thousand, one hundred fifty-seven".