15145938744 has 16 divisors (see below), whose sum is σ = 37864846920. Its totient is φ = 5048646240.

The previous prime is 15145938727. The next prime is 15145938811. The reversal of 15145938744 is 44783954151.

15145938744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315540367 + ... + 315540414.

Almost surely, 2^15145938744 is an apocalyptic number.

It is an amenable number.

15145938744 is an abundant number, since it is smaller than the sum of its proper divisors (22718908176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15145938744 is a wasteful number, since it uses less digits than its factorization.

15145938744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631080790 (or 631080786 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 15145938744 in words is "fifteen billion, one hundred forty-five million, nine hundred thirty-eight thousand, seven hundred forty-four".