15147146540 has 24 divisors (see below), whose sum is σ = 33680126592. Its totient is φ = 5702455040.

The previous prime is 15147146527. The next prime is 15147146549. The reversal of 15147146540 is 4564174151.

It is a junction number, because it is equal to n+sod(n) for n = 15147146494 and 15147146503.

It is not an unprimeable number, because it can be changed into a prime (15147146549) 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, 22274876 + ... + 22275555.

It is an arithmetic number, because the mean of its divisors is an integer number (1403338608).

Almost surely, 2^15147146540 is an apocalyptic number.

15147146540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15147146540 is an abundant number, since it is smaller than the sum of its proper divisors (18532980052).

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

15147146540 is a wasteful number, since it uses less digits than its factorization.

15147146540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44550457 (or 44550455 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 15147146540 in words is "fifteen billion, one hundred forty-seven million, one hundred forty-six thousand, five hundred forty".