146731420 has 48 divisors (see below), whose sum is σ = 355930848. Its totient is φ = 50216960.

The previous prime is 146731399. The next prime is 146731439. The reversal of 146731420 is 24137641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15877 + ... + 23356.

It is an arithmetic number, because the mean of its divisors is an integer number (7415226).

Almost surely, 2^146731420 is an apocalyptic number.

146731420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146731420 is an abundant number, since it is smaller than the sum of its proper divisors (209199428).

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

146731420 is a wasteful number, since it uses less digits than its factorization.

146731420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39270 (or 39268 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 146731420 is about 12113.2745366395. The cubic root of 146731420 is about 527.4415918798.

The spelling of 146731420 in words is "one hundred forty-six million, seven hundred thirty-one thousand, four hundred twenty".