142235632 has 60 divisors (see below), whose sum is σ = 349738776. Its totient is φ = 55413120.

The previous prime is 142235627. The next prime is 142235641. The reversal of 142235632 is 236532241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 142235632.

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, 378 + ... + 16870.

Almost surely, 2^142235632 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 142235632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174869388).

142235632 is an abundant number, since it is smaller than the sum of its proper divisors (207503144).

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

142235632 is a wasteful number, since it uses less digits than its factorization.

142235632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16526 (or 16513 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 142235632 is about 11926.2580887720. The cubic root of 142235632 is about 521.9987571106.

Adding to 142235632 its reverse (236532241), we get a palindrome (378767873).

The spelling of 142235632 in words is "one hundred forty-two million, two hundred thirty-five thousand, six hundred thirty-two".