145633472 has 28 divisors (see below), whose sum is σ = 291983160. Its totient is φ = 72062976.

The previous prime is 145633469. The next prime is 145633487. The reversal of 145633472 is 274336541.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5522 + ... + 17937.

It is an arithmetic number, because the mean of its divisors is an integer number (10427970).

Almost surely, 2^145633472 is an apocalyptic number.

It is an amenable number.

145633472 is an abundant number, since it is smaller than the sum of its proper divisors (146349688).

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

145633472 is an equidigital number, since it uses as much as digits as its factorization.

145633472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568 (or 23558 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 145633472 is about 12067.8694059888. The cubic root of 145633472 is about 526.1227334836.

The spelling of 145633472 in words is "one hundred forty-five million, six hundred thirty-three thousand, four hundred seventy-two".