146604640 has 96 divisors (see below), whose sum is σ = 426323520. Its totient is φ = 46393344.

The previous prime is 146604629. The next prime is 146604677. The reversal of 146604640 is 46406641.

It is a congruent number.

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, 9526 + ... + 19594.

It is an arithmetic number, because the mean of its divisors is an integer number (4440870).

Almost surely, 2^146604640 is an apocalyptic number.

146604640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146604640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213161760).

146604640 is an abundant number, since it is smaller than the sum of its proper divisors (279718880).

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

146604640 is a wasteful number, since it uses less digits than its factorization.

146604640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10104 (or 10096 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 146604640 is about 12108.0403038642. The cubic root of 146604640 is about 527.2896400729.

The spelling of 146604640 in words is "one hundred forty-six million, six hundred four thousand, six hundred forty".