15142187725645 has 32 divisors (see below), whose sum is σ = 18716958580320. Its totient is φ = 11752923279360.

The previous prime is 15142187725627. The next prime is 15142187725733. The reversal of 15142187725645 is 54652778124151.

15142187725645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 58922222121 + 15083265503524 = 242739^2 + 3883718^2 .

It is not a de Polignac number, because 15142187725645 - 2²⁵ = 15142154171213 is a prime.

It is a super-3 number, since 3×15142187725645³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15142187725645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40043679 + ... + 40420051.

It is an arithmetic number, because the mean of its divisors is an integer number (584904955635).

Almost surely, 2^{15142187725645} is an apocalyptic number.

It is an amenable number.

15142187725645 is a deficient number, since it is larger than the sum of its proper divisors (3574770854675).

15142187725645 is a wasteful number, since it uses less digits than its factorization.

15142187725645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377505.

The product of its digits is 18816000, while the sum is 58.

The spelling of 15142187725645 in words is "fifteen trillion, one hundred forty-two billion, one hundred eighty-seven million, seven hundred twenty-five thousand, six hundred forty-five".