15345054648 has 384 divisors, whose sum is σ = 53967513600. Its totient is φ = 3823545600.

The previous prime is 15345054631. The next prime is 15345054661. The reversal of 15345054648 is 84645054351.

15345054648 is a `hidden beast` number, since 1 + 53 + 4 + 50 + 546 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14064583 + ... + 14065673.

It is an arithmetic number, because the mean of its divisors is an integer number (140540400).

Almost surely, 2^15345054648 is an apocalyptic number.

15345054648 is a gapful number since it is divisible by the number (18) 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 15345054648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26983756800).

15345054648 is an abundant number, since it is smaller than the sum of its proper divisors (38622458952).

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

15345054648 is a wasteful number, since it uses less digits than its factorization.

15345054648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 15345054648 in words is "fifteen billion, three hundred forty-five million, fifty-four thousand, six hundred forty-eight".