142337244 has 96 divisors (see below), whose sum is σ = 400490496. Its totient is φ = 38485440.

The previous prime is 142337231. The next prime is 142337263. The reversal of 142337244 is 442733241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121807 + ... + 122969.

It is an arithmetic number, because the mean of its divisors is an integer number (4171776).

Almost surely, 2^142337244 is an apocalyptic number.

142337244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142337244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200245248).

142337244 is an abundant number, since it is smaller than the sum of its proper divisors (258153252).

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

142337244 is a wasteful number, since it uses less digits than its factorization.

142337244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1253 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 142337244 is about 11930.5173399983. The cubic root of 142337244 is about 522.1230314367.

The spelling of 142337244 in words is "one hundred forty-two million, three hundred thirty-seven thousand, two hundred forty-four".