152399469 has 4 divisors (see below), whose sum is σ = 203199296. Its totient is φ = 101599644.

The previous prime is 152399459. The next prime is 152399477. The reversal of 152399469 is 964993251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 152399469 - 2¹⁹ = 151875181 is a prime.

It is a super-2 number, since 2×152399469² = 46451196302963922, 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 (152399459) 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, 25399909 + ... + 25399914.

It is an arithmetic number, because the mean of its divisors is an integer number (50799824).

Almost surely, 2^152399469 is an apocalyptic number.

It is an amenable number.

152399469 is a deficient number, since it is larger than the sum of its proper divisors (50799827).

152399469 is an equidigital number, since it uses as much as digits as its factorization.

152399469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50799826.

The product of its digits is 524880, while the sum is 48.

The square root of 152399469 is about 12345.0179829760. The cubic root of 152399469 is about 534.1474399646.

The spelling of 152399469 in words is "one hundred fifty-two million, three hundred ninety-nine thousand, four hundred sixty-nine".