145924 has 9 divisors (see below), whose sum is σ = 256711. Its totient is φ = 72580.

The previous prime is 145903. The next prime is 145931. The reversal of 145924 is 429541.

145924 = T₃₈₁ + T₃₈₂.

The square root of 145924 is 382.

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

145924 is nontrivially palindromic in base 11.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 669 + ... + 859.

145924 is a Friedman number, since it can be written as (441-59)^2, using all its digits and the basic arithmetic operations.

2¹⁴⁵⁹²⁴ is an apocalyptic number.

145924 is the 382-nd square number.

It is an amenable number.

145924 is a deficient number, since it is larger than the sum of its proper divisors (110787).

145924 is an equidigital number, since it uses as much as digits as its factorization.

145924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 193 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The cubic root of 145924 is about 52.6472359734.

Multiplying 145924 by its sum of digits (25), we get a square (3648100 = 1910²).

The spelling of 145924 in words is "one hundred forty-five thousand, nine hundred twenty-four".