142401532 has 48 divisors (see below), whose sum is σ = 311342080. Its totient is φ = 55484352.

The previous prime is 142401491. The next prime is 142401547. The reversal of 142401532 is 235104241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21469 + ... + 27307.

Almost surely, 2^142401532 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 142401532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155671040).

142401532 is an abundant number, since it is smaller than the sum of its proper divisors (168940548).

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

142401532 is a wasteful number, since it uses less digits than its factorization.

142401532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142401532 is about 11933.2113029142. The cubic root of 142401532 is about 522.2016269194.

Adding to 142401532 its reverse (235104241), we get a palindrome (377505773).

The spelling of 142401532 in words is "one hundred forty-two million, four hundred one thousand, five hundred thirty-two".