15146556450 has 48 divisors (see below), whose sum is σ = 38858762880. Its totient is φ = 3899801920.

The previous prime is 15146556437. The next prime is 15146556463. The reversal of 15146556450 is 5465564151.

It is an interprime number because it is at equal distance from previous prime (15146556437) and next prime (15146556463).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1736634 + ... + 1745333.

It is an arithmetic number, because the mean of its divisors is an integer number (809557560).

Almost surely, 2^15146556450 is an apocalyptic number.

15146556450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15146556450 is an abundant number, since it is smaller than the sum of its proper divisors (23712206430).

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

15146556450 is a wasteful number, since it uses less digits than its factorization.

15146556450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482011 (or 3482006 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 15146556450 in words is "fifteen billion, one hundred forty-six million, five hundred fifty-six thousand, four hundred fifty".