146145444 has 24 divisors (see below), whose sum is σ = 341449248. Its totient is φ = 48651840.

The previous prime is 146145407. The next prime is 146145451. The reversal of 146145444 is 444541641.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (14227052).

Almost surely, 2^146145444 is an apocalyptic number.

It is an amenable number.

146145444 is an abundant number, since it is smaller than the sum of its proper divisors (195303804).

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

146145444 is a wasteful number, since it uses less digits than its factorization.

146145444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835 (or 15833 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 146145444 is about 12089.0629909849. The cubic root of 146145444 is about 526.7385376112.

The spelling of 146145444 in words is "one hundred forty-six million, one hundred forty-five thousand, four hundred forty-four".