142135232224 has 48 divisors (see below), whose sum is σ = 295080468480. Its totient is φ = 67207466880.

The previous prime is 142135232203. The next prime is 142135232251. The reversal of 142135232224 is 422232531241.

It is a happy number.

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, 134689 + ... + 549919.

It is an arithmetic number, because the mean of its divisors is an integer number (6147509760).

Almost surely, 2^142135232224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142135232224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147540234240).

142135232224 is an abundant number, since it is smaller than the sum of its proper divisors (152945236256).

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

142135232224 is a wasteful number, since it uses less digits than its factorization.

142135232224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415823 (or 415815 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

Adding to 142135232224 its reverse (422232531241), we get a palindrome (564367763465).

The spelling of 142135232224 in words is "one hundred forty-two billion, one hundred thirty-five million, two hundred thirty-two thousand, two hundred twenty-four".