145975186 has 16 divisors (see below), whose sum is σ = 250409664. Its totient is φ = 62519184.

The previous prime is 145975177. The next prime is 145975213. The reversal of 145975186 is 681579541.

145975186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28476 + ... + 33208.

It is an arithmetic number, because the mean of its divisors is an integer number (15650604).

Almost surely, 2^145975186 is an apocalyptic number.

145975186 is a deficient number, since it is larger than the sum of its proper divisors (104434478).

145975186 is a wasteful number, since it uses less digits than its factorization.

145975186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945.

The product of its digits is 302400, while the sum is 46.

The square root of 145975186 is about 12082.0191193360. The cubic root of 145975186 is about 526.5339097281.

The spelling of 145975186 in words is "one hundred forty-five million, nine hundred seventy-five thousand, one hundred eighty-six".