145574284 has 12 divisors (see below), whose sum is σ = 257010264. Its totient is φ = 72142784.

The previous prime is 145574269. The next prime is 145574311. The reversal of 145574284 is 482475541.

It is a super-2 number, since 2×145574284² = 42383744324225312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160582 + ... + 161485.

It is an arithmetic number, because the mean of its divisors is an integer number (21417522).

Almost surely, 2^145574284 is an apocalyptic number.

It is an amenable number.

145574284 is a deficient number, since it is larger than the sum of its proper divisors (111435980).

145574284 is a wasteful number, since it uses less digits than its factorization.

145574284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322184 (or 322182 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 145574284 is about 12065.4168597691. The cubic root of 145574284 is about 526.0514486535.

The spelling of 145574284 in words is "one hundred forty-five million, five hundred seventy-four thousand, two hundred eighty-four".