146555144 has 16 divisors (see below), whose sum is σ = 275280720. Its totient is φ = 73146960.

The previous prime is 146555119. The next prime is 146555161. The reversal of 146555144 is 441555641.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11474 + ... + 20609.

It is an arithmetic number, because the mean of its divisors is an integer number (17205045).

Almost surely, 2^146555144 is an apocalyptic number.

It is an amenable number.

146555144 is a deficient number, since it is larger than the sum of its proper divisors (128725576).

146555144 is a wasteful number, since it uses less digits than its factorization.

146555144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32660 (or 32656 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 146555144 is about 12105.9962002307. The cubic root of 146555144 is about 527.2302930070.

The spelling of 146555144 in words is "one hundred forty-six million, five hundred fifty-five thousand, one hundred forty-four".