152390889 has 28 divisors (see below), whose sum is σ = 261130816. Its totient is φ = 87077592.

The previous prime is 152390881. The next prime is 152390899. The reversal of 152390889 is 988093251.

It is a happy number.

It is not a de Polignac number, because 152390889 - 2³ = 152390881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152390881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9829 + ... + 20034.

Almost surely, 2^152390889 is an apocalyptic number.

It is an amenable number.

152390889 is a deficient number, since it is larger than the sum of its proper divisors (108739927).

152390889 is an frugal number, since it uses more digits than its factorization.

152390889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29888 (or 29873 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 152390889 is about 12344.6704694779. The cubic root of 152390889 is about 534.1374157148.

The spelling of 152390889 in words is "one hundred fifty-two million, three hundred ninety thousand, eight hundred eighty-nine".