146445188 has 12 divisors (see below), whose sum is σ = 257100060. Its totient is φ = 72988032.

The previous prime is 146445161. The next prime is 146445203. The reversal of 146445188 is 881544641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63234304 + 83210884 = 7952^2 + 9122^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 57233 + ... + 59736.

It is an arithmetic number, because the mean of its divisors is an integer number (21425005).

Almost surely, 2^146445188 is an apocalyptic number.

It is an amenable number.

146445188 is a deficient number, since it is larger than the sum of its proper divisors (110654872).

146445188 is a wasteful number, since it uses less digits than its factorization.

146445188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117286 (or 117284 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 146445188 is about 12101.4539622312. The cubic root of 146445188 is about 527.0984049072.

The spelling of 146445188 in words is "one hundred forty-six million, four hundred forty-five thousand, one hundred eighty-eight".