15453125645 has 16 divisors (see below), whose sum is σ = 19152365760. Its totient is φ = 11962132224.

The previous prime is 15453125641. The next prime is 15453125659. The reversal of 15453125645 is 54652135451.

It is a cyclic number.

It is not a de Polignac number, because 15453125645 - 2² = 15453125641 is a prime.

It is a super-3 number, since 3×15453125645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15453125641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312860 + ... + 358869.

It is an arithmetic number, because the mean of its divisors is an integer number (1197022860).

Almost surely, 2^15453125645 is an apocalyptic number.

It is an amenable number.

15453125645 is a deficient number, since it is larger than the sum of its proper divisors (3699240115).

15453125645 is a wasteful number, since it uses less digits than its factorization.

15453125645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671884.

The product of its digits is 360000, while the sum is 41.

The spelling of 15453125645 in words is "fifteen billion, four hundred fifty-three million, one hundred twenty-five thousand, six hundred forty-five".