152504489 has 4 divisors (see below), whose sum is σ = 152653440. Its totient is φ = 152355540.

The previous prime is 152504483. The next prime is 152504503. The reversal of 152504489 is 984405251.

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, and also an emirpimes, since its reverse is a distinct semiprime: 984405251 = 61 ⋅16137791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152504489 is a prime.

It is a super-2 number, since 2×152504489² = 46515238330302242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152504483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72929 + ... + 74990.

It is an arithmetic number, because the mean of its divisors is an integer number (38163360).

Almost surely, 2^152504489 is an apocalyptic number.

It is an amenable number.

152504489 is a deficient number, since it is larger than the sum of its proper divisors (148951).

152504489 is a wasteful number, since it uses less digits than its factorization.

152504489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148950.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 152504489 is about 12349.2707881883. The cubic root of 152504489 is about 534.2701072415.

The spelling of 152504489 in words is "one hundred fifty-two million, five hundred four thousand, four hundred eighty-nine".