142431300 has 108 divisors (see below), whose sum is σ = 487062576. Its totient is φ = 34526400.

The previous prime is 142431271. The next prime is 142431307. The reversal of 142431300 is 3134241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (142431307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2707 + ... + 17093.

Almost surely, 2^142431300 is an apocalyptic number.

142431300 is a gapful number since it is divisible by the number (10) 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 142431300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243531288).

142431300 is an abundant number, since it is smaller than the sum of its proper divisors (344631276).

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

142431300 is a wasteful number, since it uses less digits than its factorization.

142431300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418 (or 14408 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142431300 is about 11934.4585130621. The cubic root of 142431300 is about 522.2380118627.

Adding to 142431300 its reverse (3134241), we get a palindrome (145565541).

The spelling of 142431300 in words is "one hundred forty-two million, four hundred thirty-one thousand, three hundred".