146391900 has 36 divisors (see below), whose sum is σ = 423561432. Its totient is φ = 39037760.

The previous prime is 146391893. The next prime is 146391901. The reversal of 146391900 is 9193641.

146391900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×146391900² = 42861176771220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146391901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243687 + ... + 244286.

Almost surely, 2^146391900 is an apocalyptic number.

146391900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146391900 is an abundant number, since it is smaller than the sum of its proper divisors (277169532).

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

146391900 is a wasteful number, since it uses less digits than its factorization.

146391900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487990 (or 487983 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 146391900 is about 12099.2520429984. The cubic root of 146391900 is about 527.0344641984.

The spelling of 146391900 in words is "one hundred forty-six million, three hundred ninety-one thousand, nine hundred".