142431352 has 64 divisors (see below), whose sum is σ = 319619520. Its totient is φ = 58226688.

The previous prime is 142431349. The next prime is 142431361. The reversal of 142431352 is 253134241.

142431352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109168 + ... + 110464.

It is an arithmetic number, because the mean of its divisors is an integer number (4994055).

Almost surely, 2^142431352 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 142431352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159809760).

142431352 is an abundant number, since it is smaller than the sum of its proper divisors (177188168).

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

142431352 is a wasteful number, since it uses less digits than its factorization.

142431352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1396 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 142431352 is about 11934.4606916274. The cubic root of 142431352 is about 522.2380754170.

Adding to 142431352 its reverse (253134241), we get a palindrome (395565593).

The spelling of 142431352 in words is "one hundred forty-two million, four hundred thirty-one thousand, three hundred fifty-two".