15146155989 has 24 divisors (see below), whose sum is σ = 22795063200. Its totient is φ = 9679088160.

The previous prime is 15146155907. The next prime is 15146155993. The reversal of 15146155989 is 98955164151.

It is a happy number.

15146155989 is a `hidden beast` number, since 1 + 5 + 1 + 4 + 6 + 1 + 559 + 89 = 666.

It is not a de Polignac number, because 15146155989 - 2²⁷ = 15011938261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15146150989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172467 + ... + 245024.

It is an arithmetic number, because the mean of its divisors is an integer number (949794300).

Almost surely, 2^15146155989 is an apocalyptic number.

It is an amenable number.

15146155989 is a deficient number, since it is larger than the sum of its proper divisors (7648907211).

15146155989 is a wasteful number, since it uses less digits than its factorization.

15146155989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417665 (or 417662 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 54.

The spelling of 15146155989 in words is "fifteen billion, one hundred forty-six million, one hundred fifty-five thousand, nine hundred eighty-nine".