142331800 has 72 divisors (see below), whose sum is σ = 358420140. Its totient is φ = 52540800.

The previous prime is 142331789. The next prime is 142331807. The reversal of 142331800 is 8133241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142331807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31695 + ... + 35905.

Almost surely, 2^142331800 is an apocalyptic number.

142331800 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 142331800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179210070).

142331800 is an abundant number, since it is smaller than the sum of its proper divisors (216088340).

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

142331800 is a wasteful number, since it uses less digits than its factorization.

142331800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 142331800 is about 11930.2891834188. The cubic root of 142331800 is about 522.1163747718.

The spelling of 142331800 in words is "one hundred forty-two million, three hundred thirty-one thousand, eight hundred".