152447831 has 2 divisors, whose sum is σ = 152447832. Its totient is φ = 152447830.

The previous prime is 152447783. The next prime is 152447851. The reversal of 152447831 is 138744251.

152447831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152447831 - 2⁶ = 152447767 is a prime.

It is a super-2 number, since 2×152447831² = 46480682353209122, which contains 22 as substring.

It is equal to p_8574047 and since 152447831 and 8574047 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 152447791 and 152447800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152447851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76223915 + 76223916.

It is an arithmetic number, because the mean of its divisors is an integer number (76223916).

Almost surely, 2^152447831 is an apocalyptic number.

152447831 is a deficient number, since it is larger than the sum of its proper divisors (1).

152447831 is an equidigital number, since it uses as much as digits as its factorization.

152447831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 152447831 is about 12346.9765934823. The cubic root of 152447831 is about 534.2039355824.

The spelling of 152447831 in words is "one hundred fifty-two million, four hundred forty-seven thousand, eight hundred thirty-one".