146478660 has 24 divisors (see below), whose sum is σ = 410140416. Its totient is φ = 39060960.

The previous prime is 146478659. The next prime is 146478677. The reversal of 146478660 is 66874641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220596 + ... + 1220715.

It is an arithmetic number, because the mean of its divisors is an integer number (17089184).

Almost surely, 2^146478660 is an apocalyptic number.

146478660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146478660 is an abundant number, since it is smaller than the sum of its proper divisors (263661756).

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

146478660 is a wasteful number, since it uses less digits than its factorization.

146478660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441323 (or 2441321 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 146478660 is about 12102.8368575306. The cubic root of 146478660 is about 527.1385603037.

The spelling of 146478660 in words is "one hundred forty-six million, four hundred seventy-eight thousand, six hundred sixty".