152813889 has 6 divisors (see below), whose sum is σ = 220731186. Its totient is φ = 101875920.

The previous prime is 152813861. The next prime is 152813917. The reversal of 152813889 is 988318251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (152813861) and next prime (152813917).

It can be written as a sum of positive squares in only one way, i.e., 146894400 + 5919489 = 12120^2 + 2433^2 .

It is not a de Polignac number, because 152813889 - 2¹⁵ = 152781121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152813809) 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 5 ways as a sum of consecutive naturals, for example, 8489652 + ... + 8489669.

It is an arithmetic number, because the mean of its divisors is an integer number (36788531).

Almost surely, 2^152813889 is an apocalyptic number.

It is an amenable number.

152813889 is a deficient number, since it is larger than the sum of its proper divisors (67917297).

152813889 is a wasteful number, since it uses less digits than its factorization.

152813889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16979327 (or 16979324 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 152813889 is about 12361.7914963811. The cubic root of 152813889 is about 534.6311709485.

The spelling of 152813889 in words is "one hundred fifty-two million, eight hundred thirteen thousand, eight hundred eighty-nine".