145672432 has 20 divisors (see below), whose sum is σ = 294512400. Its totient is φ = 69669248.

The previous prime is 145672427. The next prime is 145672447. The reversal of 145672432 is 234276541.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197557 + ... + 198292.

It is an arithmetic number, because the mean of its divisors is an integer number (14725620).

Almost surely, 2^145672432 is an apocalyptic number.

It is an amenable number.

145672432 is an abundant number, since it is smaller than the sum of its proper divisors (148839968).

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

145672432 is a wasteful number, since it uses less digits than its factorization.

145672432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395880 (or 395874 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 145672432 is about 12069.4835017908. The cubic root of 145672432 is about 526.1696455793.

The spelling of 145672432 in words is "one hundred forty-five million, six hundred seventy-two thousand, four hundred thirty-two".