145931632 has 80 divisors (see below), whose sum is σ = 363976704. Its totient is φ = 55008000.

The previous prime is 145931627. The next prime is 145931659. The reversal of 145931632 is 236139541.

145931632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 36282 + ... + 40102.

Almost surely, 2^145931632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145931632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181988352).

145931632 is an abundant number, since it is smaller than the sum of its proper divisors (218045072).

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

145931632 is a wasteful number, since it uses less digits than its factorization.

145931632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878 (or 3872 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 145931632 is about 12080.2165543503. The cubic root of 145931632 is about 526.4815379524.

The spelling of 145931632 in words is "one hundred forty-five million, nine hundred thirty-one thousand, six hundred thirty-two".