142436244 has 12 divisors (see below), whose sum is σ = 332351264. Its totient is φ = 47478744.

The previous prime is 142436243. The next prime is 142436249. The reversal of 142436244 is 442634241.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142436243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5934832 + ... + 5934855.

Almost surely, 2^142436244 is an apocalyptic number.

It is an amenable number.

142436244 is an abundant number, since it is smaller than the sum of its proper divisors (189915020).

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

142436244 is a wasteful number, since it uses less digits than its factorization.

142436244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11869694 (or 11869692 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 142436244 is about 11934.6656425725. The cubic root of 142436244 is about 522.2440543427.

The spelling of 142436244 in words is "one hundred forty-two million, four hundred thirty-six thousand, two hundred forty-four".