142283544 has 32 divisors (see below), whose sum is σ = 383071920. Its totient is φ = 43779456.

The previous prime is 142283539. The next prime is 142283551. The reversal of 142283544 is 445382241.

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, 227707 + ... + 228330.

Almost surely, 2^142283544 is an apocalyptic number.

It is an amenable number.

142283544 is an abundant number, since it is smaller than the sum of its proper divisors (240788376).

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

142283544 is a wasteful number, since it uses less digits than its factorization.

142283544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456059 (or 456055 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 142283544 is about 11928.2665966183. The cubic root of 142283544 is about 522.0573622023.

The spelling of 142283544 in words is "one hundred forty-two million, two hundred eighty-three thousand, five hundred forty-four".