142312632 has 128 divisors (see below), whose sum is σ = 452252160. Its totient is φ = 36241920.

The previous prime is 142312631. The next prime is 142312633. The reversal of 142312632 is 236213241.

It is an interprime number because it is at equal distance from previous prime (142312631) and next prime (142312633).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 (142312631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97218 + ... + 98670.

It is an arithmetic number, because the mean of its divisors is an integer number (3533220).

Almost surely, 2^142312632 is an apocalyptic number.

142312632 is a gapful number since it is divisible by the number (12) 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 142312632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226126080).

142312632 is an abundant number, since it is smaller than the sum of its proper divisors (309939528).

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

142312632 is a wasteful number, since it uses less digits than its factorization.

142312632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1529 counting only the distinct ones).

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

The square root of 142312632 is about 11929.4858229515. The cubic root of 142312632 is about 522.0929356997.

Adding to 142312632 its reverse (236213241), we get a palindrome (378525873).

The spelling of 142312632 in words is "one hundred forty-two million, three hundred twelve thousand, six hundred thirty-two".