142633140 has 96 divisors (see below), whose sum is σ = 434367360. Its totient is φ = 34761216.

The previous prime is 142633079. The next prime is 142633147. The reversal of 142633140 is 41336241.

It is a self number, because there is not a number n which added to its sum of digits gives 142633140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142633147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82606 + ... + 84314.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 2^142633140 is an apocalyptic number.

142633140 is a gapful number since it is divisible by the number (10) 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 142633140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217183680).

142633140 is an abundant number, since it is smaller than the sum of its proper divisors (291734220).

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

142633140 is a wasteful number, since it uses less digits than its factorization.

142633140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1839 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 142633140 is about 11942.9117052752. The cubic root of 142633140 is about 522.4845839945.

Adding to 142633140 its reverse (41336241), we get a palindrome (183969381).

The spelling of 142633140 in words is "one hundred forty-two million, six hundred thirty-three thousand, one hundred forty".