152400431 has 2 divisors, whose sum is σ = 152400432. Its totient is φ = 152400430.

The previous prime is 152400419. The next prime is 152400467. The reversal of 152400431 is 134004251.

152400431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152400431 is a prime.

It is a super-2 number, since 2×152400431² = 46451782737971522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152400331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76200215 + 76200216.

It is an arithmetic number, because the mean of its divisors is an integer number (76200216).

Almost surely, 2^152400431 is an apocalyptic number.

152400431 is a deficient number, since it is larger than the sum of its proper divisors (1).

152400431 is an equidigital number, since it uses as much as digits as its factorization.

152400431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 152400431 is about 12345.0569460007. The cubic root of 152400431 is about 534.1485638722.

Adding to 152400431 its reverse (134004251), we get a palindrome (286404682).

The spelling of 152400431 in words is "one hundred fifty-two million, four hundred thousand, four hundred thirty-one".