145550432 has 24 divisors (see below), whose sum is σ = 288748152. Its totient is φ = 72217600.

The previous prime is 145550429. The next prime is 145550459. The reversal of 145550432 is 234055541.

It is a junction number, because it is equal to n+sod(n) for n = 145550395 and 145550404.

It is a congruent number.

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, 13169 + ... + 21552.

It is an arithmetic number, because the mean of its divisors is an integer number (12031173).

Almost surely, 2^145550432 is an apocalyptic number.

It is an amenable number.

145550432 is a deficient number, since it is larger than the sum of its proper divisors (143197720).

145550432 is a wasteful number, since it uses less digits than its factorization.

145550432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34862 (or 34854 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145550432 is about 12064.4283743574. The cubic root of 145550432 is about 526.0227163249.

The spelling of 145550432 in words is "one hundred forty-five million, five hundred fifty thousand, four hundred thirty-two".