146321420 has 24 divisors (see below), whose sum is σ = 351171744. Its totient is φ = 50167296.

The previous prime is 146321411. The next prime is 146321453. The reversal of 146321420 is 24123641.

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, 522437 + ... + 522716.

It is an arithmetic number, because the mean of its divisors is an integer number (14632156).

Almost surely, 2^146321420 is an apocalyptic number.

146321420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146321420 is an abundant number, since it is smaller than the sum of its proper divisors (204850324).

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

146321420 is a wasteful number, since it uses less digits than its factorization.

146321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045169 (or 1045167 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 146321420 is about 12096.3391156168. The cubic root of 146321420 is about 526.9498708299.

The spelling of 146321420 in words is "one hundred forty-six million, three hundred twenty-one thousand, four hundred twenty".