145974724 has 27 divisors (see below), whose sum is σ = 297507567. Its totient is φ = 62488104.

The previous prime is 145974707. The next prime is 145974737. The reversal of 145974724 is 427479541.

The square root of 145974724 is 12082.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 168717 + ... + 169579.

Almost surely, 2^145974724 is an apocalyptic number.

145974724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145974724 is the 12082-nd square number.

It is an amenable number.

145974724 is an abundant number, since it is smaller than the sum of its proper divisors (151532843).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145974724 is an frugal number, since it uses more digits than its factorization.

145974724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 872 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The cubic root of 145974724 is about 526.5333542480.

It can be divided in two parts, 14597 and 4724, that added together give a square (19321 = 139²).

The spelling of 145974724 in words is "one hundred forty-five million, nine hundred seventy-four thousand, seven hundred twenty-four".