146890933 has 8 divisors (see below), whose sum is σ = 171447552. Its totient is φ = 123227376.

The previous prime is 146890921. The next prime is 146890937. The reversal of 146890933 is 339098641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 146890933 - 2⁵ = 146890901 is a prime.

It is a super-2 number, since 2×146890933² = 43153892395220978, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146890933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146890937) 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 7 ways as a sum of consecutive naturals, for example, 222910 + ... + 223567.

It is an arithmetic number, because the mean of its divisors is an integer number (21430944).

Almost surely, 2^146890933 is an apocalyptic number.

It is an amenable number.

146890933 is a deficient number, since it is larger than the sum of its proper divisors (24556619).

146890933 is an equidigital number, since it uses as much as digits as its factorization.

146890933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446531.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 146890933 is about 12119.8569711032. The cubic root of 146890933 is about 527.6326514395.

The spelling of 146890933 in words is "one hundred forty-six million, eight hundred ninety thousand, nine hundred thirty-three".