15145247625672 has 128 divisors (see below), whose sum is σ = 40040337830400. Its totient is φ = 4760588390400.

The previous prime is 15145247625647. The next prime is 15145247625679. The reversal of 15145247625672 is 27652674254151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (15145247625679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563195347 + ... + 563222237.

It is an arithmetic number, because the mean of its divisors is an integer number (312815139300).

Almost surely, 2^{15145247625672} is an apocalyptic number.

15145247625672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15145247625672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20020168915200).

15145247625672 is an abundant number, since it is smaller than the sum of its proper divisors (24895090204728).

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

15145247625672 is a wasteful number, since it uses less digits than its factorization.

15145247625672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32587 (or 32583 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 57.

The spelling of 15145247625672 in words is "fifteen trillion, one hundred forty-five billion, two hundred forty-seven million, six hundred twenty-five thousand, six hundred seventy-two".