145919924 has 24 divisors (see below), whose sum is σ = 270432960. Its totient is φ = 68700096.

The previous prime is 145919911. The next prime is 145919953. The reversal of 145919924 is 429919541.

145919924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6944 + ... + 18440.

It is an arithmetic number, because the mean of its divisors is an integer number (11268040).

Almost surely, 2^145919924 is an apocalyptic number.

It is an amenable number.

145919924 is a deficient number, since it is larger than the sum of its proper divisors (124513036).

145919924 is a wasteful number, since it uses less digits than its factorization.

145919924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687 (or 11685 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 145919924 is about 12079.7319506684. The cubic root of 145919924 is about 526.4674578187.

The spelling of 145919924 in words is "one hundred forty-five million, nine hundred nineteen thousand, nine hundred twenty-four".