142424244 has 36 divisors (see below), whose sum is σ = 373353344. Its totient is φ = 47474424.

The previous prime is 142424189. The next prime is 142424263. The reversal of 142424244 is 442424241.

142424244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 11 ways as a sum of consecutive naturals, for example, 72292 + ... + 74235.

Almost surely, 2^142424244 is an apocalyptic number.

It is an amenable number.

142424244 is an abundant number, since it is smaller than the sum of its proper divisors (230929100).

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

142424244 is a wasteful number, since it uses less digits than its factorization.

142424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146546 (or 146532 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 142424244 is about 11934.1628948159. The cubic root of 142424244 is about 522.2293878869.

Adding to 142424244 its reverse (442424241), we get a palindrome (584848485).

The spelling of 142424244 in words is "one hundred forty-two million, four hundred twenty-four thousand, two hundred forty-four".