146444320 has 48 divisors (see below), whose sum is σ = 377431488. Its totient is φ = 53251840.

The previous prime is 146444317. The next prime is 146444359. The reversal of 146444320 is 23444641.

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, 39844 + ... + 43363.

It is an arithmetic number, because the mean of its divisors is an integer number (7863156).

Almost surely, 2^146444320 is an apocalyptic number.

146444320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146444320 is an abundant number, since it is smaller than the sum of its proper divisors (230987168).

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

146444320 is a wasteful number, since it uses less digits than its factorization.

146444320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83233 (or 83225 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 146444320 is about 12101.4180987188. The cubic root of 146444320 is about 527.0973635111.

Adding to 146444320 its reverse (23444641), we get a palindrome (169888961).

The spelling of 146444320 in words is "one hundred forty-six million, four hundred forty-four thousand, three hundred twenty".