142741632 has 128 divisors (see below), whose sum is σ = 423014400. Its totient is φ = 42275840.

The previous prime is 142741619. The next prime is 142741637. The reversal of 142741632 is 236147241.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 142741632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142741637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198169 + ... + 198887.

It is an arithmetic number, because the mean of its divisors is an integer number (3304800).

Almost surely, 2^142741632 is an apocalyptic number.

142741632 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 142741632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211507200).

142741632 is an abundant number, since it is smaller than the sum of its proper divisors (280272768).

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

142741632 is a wasteful number, since it uses less digits than its factorization.

142741632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 782 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 142741632 is about 11947.4529503154. The cubic root of 142741632 is about 522.6170240694.

Adding to 142741632 its reverse (236147241), we get a palindrome (378888873).

The spelling of 142741632 in words is "one hundred forty-two million, seven hundred forty-one thousand, six hundred thirty-two".