15420146052 has 48 divisors (see below), whose sum is σ = 36417669120. Its totient is φ = 5077678848.

The previous prime is 15420146033. The next prime is 15420146083. The reversal of 15420146052 is 25064102451.

It is a super-2 number, since 2×15420146052² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289533 + ... + 1301435.

It is an arithmetic number, because the mean of its divisors is an integer number (758701440).

Almost surely, 2^15420146052 is an apocalyptic number.

15420146052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15420146052 is an abundant number, since it is smaller than the sum of its proper divisors (20997523068).

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

15420146052 is a wasteful number, since it uses less digits than its factorization.

15420146052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13212 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 15420146052 in words is "fifteen billion, four hundred twenty million, one hundred forty-six thousand, fifty-two".