15225154144 has 48 divisors (see below), whose sum is σ = 30505437648. Its totient is φ = 7478894592.

The previous prime is 15225154141. The next prime is 15225154171. The reversal of 15225154144 is 44145152251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15225154141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407347 + ... + 443149.

It is an arithmetic number, because the mean of its divisors is an integer number (635529951).

Almost surely, 2^15225154144 is an apocalyptic number.

It is an amenable number.

15225154144 is an abundant number, since it is smaller than the sum of its proper divisors (15280283504).

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

15225154144 is a wasteful number, since it uses less digits than its factorization.

15225154144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36047 (or 36039 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The spelling of 15225154144 in words is "fifteen billion, two hundred twenty-five million, one hundred fifty-four thousand, one hundred forty-four".