145294924 has 24 divisors (see below), whose sum is σ = 259198688. Its totient is φ = 71245440.

The previous prime is 145294909. The next prime is 145294943. The reversal of 145294924 is 429492541.

It is a super-2 number, since 2×145294924² = 42221229880331552, which contains 22 as substring.

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, 110857 + ... + 112159.

Almost surely, 2^145294924 is an apocalyptic number.

It is an amenable number.

145294924 is a deficient number, since it is larger than the sum of its proper divisors (113903764).

145294924 is a wasteful number, since it uses less digits than its factorization.

145294924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825 (or 1823 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 145294924 is about 12053.8344106761. The cubic root of 145294924 is about 525.7147320440.

The spelling of 145294924 in words is "one hundred forty-five million, two hundred ninety-four thousand, nine hundred twenty-four".