146553994 has 32 divisors (see below), whose sum is σ = 233928000. Its totient is φ = 68753664.

The previous prime is 146553989. The next prime is 146554027. The reversal of 146553994 is 499355641.

146553994 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386497 + ... + 386875.

It is an arithmetic number, because the mean of its divisors is an integer number (7310250).

Almost surely, 2^146553994 is an apocalyptic number.

146553994 is a deficient number, since it is larger than the sum of its proper divisors (87374006).

146553994 is a wasteful number, since it uses less digits than its factorization.

146553994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its digits is 583200, while the sum is 46.

The square root of 146553994 is about 12105.9487030137. The cubic root of 146553994 is about 527.2289139666.

The spelling of 146553994 in words is "one hundred forty-six million, five hundred fifty-three thousand, nine hundred ninety-four".