152415431 has 6 divisors (see below), whose sum is σ = 177299640. Its totient is φ = 130641756.

The previous prime is 152415427. The next prime is 152415449. The reversal of 152415431 is 134514251.

152415431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 152415431 - 2² = 152415427 is a prime.

It is a super-2 number, since 2×152415431² = 46460927213831522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 152415431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152415451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1555211 + ... + 1555308.

It is an arithmetic number, because the mean of its divisors is an integer number (29549940).

Almost surely, 2^152415431 is an apocalyptic number.

152415431 is a deficient number, since it is larger than the sum of its proper divisors (24884209).

152415431 is an equidigital number, since it uses as much as digits as its factorization.

152415431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110533 (or 3110526 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 152415431 is about 12345.6644616643. The cubic root of 152415431 is about 534.1660878069.

Adding to 152415431 its reverse (134514251), we get a palindrome (286929682).

The spelling of 152415431 in words is "one hundred fifty-two million, four hundred fifteen thousand, four hundred thirty-one".