145653724 has 12 divisors (see below), whose sum is σ = 255156664. Its totient is φ = 72751824.

The previous prime is 145653709. The next prime is 145653727. The reversal of 145653724 is 427356541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14274 + ... + 22249.

Almost surely, 2^145653724 is an apocalyptic number.

It is an amenable number.

145653724 is a deficient number, since it is larger than the sum of its proper divisors (109502940).

145653724 is a wasteful number, since it uses less digits than its factorization.

145653724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37524 (or 37522 counting only the distinct ones).

The product of its digits is 100800, while the sum is 37.

The square root of 145653724 is about 12068.7084644547. The cubic root of 145653724 is about 526.1471201478.

The spelling of 145653724 in words is "one hundred forty-five million, six hundred fifty-three thousand, seven hundred twenty-four".