146432172 has 24 divisors (see below), whose sum is σ = 342916336. Its totient is φ = 48633408.

The previous prime is 146432161. The next prime is 146432177. The reversal of 146432172 is 271234641.

It is not an unprimeable number, because it can be changed into a prime (146432177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18703 + ... + 25350.

Almost surely, 2^146432172 is an apocalyptic number.

146432172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146432172 is an abundant number, since it is smaller than the sum of its proper divisors (196484164).

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

146432172 is a wasteful number, since it uses less digits than its factorization.

146432172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44337 (or 44335 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 146432172 is about 12100.9161636630. The cubic root of 146432172 is about 527.0827883337.

The spelling of 146432172 in words is "one hundred forty-six million, four hundred thirty-two thousand, one hundred seventy-two".