152394631 has 4 divisors (see below), whose sum is σ = 152592552. Its totient is φ = 152196712.

The previous prime is 152394629. The next prime is 152394637. The reversal of 152394631 is 136493251.

152394631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136493251 = 83 ⋅1644497.

It is a cyclic number.

It is not a de Polignac number, because 152394631 - 2¹ = 152394629 is a prime.

It is a super-2 number, since 2×152394631² = 46448247115252322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152394637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97801 + ... + 99346.

It is an arithmetic number, because the mean of its divisors is an integer number (38148138).

Almost surely, 2^152394631 is an apocalyptic number.

152394631 is a deficient number, since it is larger than the sum of its proper divisors (197921).

152394631 is an equidigital number, since it uses as much as digits as its factorization.

152394631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197920.

The product of its digits is 19440, while the sum is 34.

The square root of 152394631 is about 12344.8220319290. The cubic root of 152394631 is about 534.1417876425.

The spelling of 152394631 in words is "one hundred fifty-two million, three hundred ninety-four thousand, six hundred thirty-one".