145165612 has 6 divisors (see below), whose sum is σ = 254039828. Its totient is φ = 72582804.

The previous prime is 145165607. The next prime is 145165633. The reversal of 145165612 is 216561541.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18145698 + ... + 18145705.

Almost surely, 2^145165612 is an apocalyptic number.

It is an amenable number.

145165612 is a deficient number, since it is larger than the sum of its proper divisors (108874216).

145165612 is a wasteful number, since it uses less digits than its factorization.

145165612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36291407 (or 36291405 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 145165612 is about 12048.4692803692. The cubic root of 145165612 is about 525.5587242973.

The spelling of 145165612 in words is "one hundred forty-five million, one hundred sixty-five thousand, six hundred twelve".