152204399 has 4 divisors (see below), whose sum is σ = 152486280. Its totient is φ = 151922520.

The previous prime is 152204359. The next prime is 152204401. The reversal of 152204399 is 993402251.

152204399 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152204399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152204359) 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, 140129 + ... + 141210.

It is an arithmetic number, because the mean of its divisors is an integer number (38121570).

Almost surely, 2^152204399 is an apocalyptic number.

152204399 is a deficient number, since it is larger than the sum of its proper divisors (281881).

152204399 is an equidigital number, since it uses as much as digits as its factorization.

152204399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281880.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 152204399 is about 12337.1146950979. The cubic root of 152204399 is about 533.9194412930.

The spelling of 152204399 in words is "one hundred fifty-two million, two hundred four thousand, three hundred ninety-nine".