152889889 has 4 divisors (see below), whose sum is σ = 153038080. Its totient is φ = 152741700.

The previous prime is 152889887. The next prime is 152889899. The reversal of 152889889 is 988988251.

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 a cyclic number.

It is not a de Polignac number, because 152889889 - 2¹ = 152889887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152889881) 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, 72537 + ... + 74614.

It is an arithmetic number, because the mean of its divisors is an integer number (38259520).

Almost surely, 2^152889889 is an apocalyptic number.

It is an amenable number.

152889889 is a deficient number, since it is larger than the sum of its proper divisors (148191).

152889889 is a wasteful number, since it uses less digits than its factorization.

152889889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148190.

The product of its digits is 3317760, while the sum is 58.

The square root of 152889889 is about 12364.8651023778. The cubic root of 152889889 is about 534.7197868791.

The spelling of 152889889 in words is "one hundred fifty-two million, eight hundred eighty-nine thousand, eight hundred eighty-nine".