145683188 has 12 divisors (see below), whose sum is σ = 291366432. Its totient is φ = 62435640.

The previous prime is 145683179. The next prime is 145683191. The reversal of 145683188 is 881386541.

It is a happy number.

145683188 is an admirable number.

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, 2601458 + ... + 2601513.

It is an arithmetic number, because the mean of its divisors is an integer number (24280536).

Almost surely, 2^145683188 is an apocalyptic number.

It is an amenable number.

145683188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145683188 is a wasteful number, since it uses less digits than its factorization.

145683188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202982 (or 5202980 counting only the distinct ones).

The product of its digits is 184320, while the sum is 44.

The square root of 145683188 is about 12069.9290801562. The cubic root of 145683188 is about 526.1825955048.

The spelling of 145683188 in words is "one hundred forty-five million, six hundred eighty-three thousand, one hundred eighty-eight".