146990304 has 36 divisors (see below), whose sum is σ = 418004496. Its totient is φ = 48996672.

The previous prime is 146990293. The next prime is 146990317. The reversal of 146990304 is 403099641.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×146990304² = 43212298940024832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 254904 + ... + 255479.

It is an arithmetic number, because the mean of its divisors is an integer number (11611236).

Almost surely, 2^146990304 is an apocalyptic number.

It is an amenable number.

146990304 is an abundant number, since it is smaller than the sum of its proper divisors (271014192).

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

146990304 is a wasteful number, since it uses less digits than its factorization.

146990304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510399 (or 510388 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 146990304 is about 12123.9557900877. The cubic root of 146990304 is about 527.7516049251.

The spelling of 146990304 in words is "one hundred forty-six million, nine hundred ninety thousand, three hundred four".