146823664 has 20 divisors (see below), whose sum is σ = 306353656. Its totient is φ = 67764672.

The previous prime is 146823661. The next prime is 146823667. The reversal of 146823664 is 466328641.

It is an interprime number because it is at equal distance from previous prime (146823661) and next prime (146823667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146823661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352734 + ... + 353149.

Almost surely, 2^146823664 is an apocalyptic number.

It is an amenable number.

146823664 is an abundant number, since it is smaller than the sum of its proper divisors (159529992).

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

146823664 is a wasteful number, since it uses less digits than its factorization.

146823664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705904 (or 705898 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 146823664 is about 12117.0814967962. The cubic root of 146823664 is about 527.5520956612.

The spelling of 146823664 in words is "one hundred forty-six million, eight hundred twenty-three thousand, six hundred sixty-four".