146426660 has 24 divisors (see below), whose sum is σ = 307726776. Its totient is φ = 58526720.

The previous prime is 146426659. The next prime is 146426689. The reversal of 146426660 is 66624641.

It can be written as a sum of positive squares in 4 ways, for example, as 59228416 + 87198244 = 7696^2 + 9338^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146426660.

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, 43850 + ... + 47070.

It is an arithmetic number, because the mean of its divisors is an integer number (12821949).

Almost surely, 2^146426660 is an apocalyptic number.

146426660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146426660 is an abundant number, since it is smaller than the sum of its proper divisors (161300116).

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

146426660 is a wasteful number, since it uses less digits than its factorization.

146426660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503 (or 5501 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 146426660 is about 12100.6884101691. The cubic root of 146426660 is about 527.0761747671.

The spelling of 146426660 in words is "one hundred forty-six million, four hundred twenty-six thousand, six hundred sixty".