145739764 has 12 divisors (see below), whose sum is σ = 256734688. Its totient is φ = 72387000.

The previous prime is 145739749. The next prime is 145739777. The reversal of 145739764 is 467937541.

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, 120042 + ... + 121249.

Almost surely, 2^145739764 is an apocalyptic number.

It is an amenable number.

145739764 is a deficient number, since it is larger than the sum of its proper divisors (110994924).

145739764 is a wasteful number, since it uses less digits than its factorization.

145739764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241446 (or 241444 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 145739764 is about 12072.2725284016. The cubic root of 145739764 is about 526.2507009467.

The spelling of 145739764 in words is "one hundred forty-five million, seven hundred thirty-nine thousand, seven hundred sixty-four".