15045465456 has 240 divisors, whose sum is σ = 50667042816. Its totient is φ = 4074706944.

The previous prime is 15045465439. The next prime is 15045465541. The reversal of 15045465456 is 65456454051.

15045465456 is a `hidden beast` number, since 1 + 5 + 0 + 4 + 546 + 54 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2616921 + ... + 2622663.

Almost surely, 2^15045465456 is an apocalyptic number.

15045465456 is a gapful number since it is divisible by the number (16) 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 15045465456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25333521408).

15045465456 is an abundant number, since it is smaller than the sum of its proper divisors (35621577360).

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

15045465456 is a wasteful number, since it uses less digits than its factorization.

15045465456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5900 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 15045465456 in words is "fifteen billion, forty-five million, four hundred sixty-five thousand, four hundred fifty-six".