142297200 has 270 divisors, whose sum is σ = 522307344. Its totient is φ = 35857920.

The previous prime is 142297187. The next prime is 142297217. The reversal of 142297200 is 2792241.

142297200 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 3027577 + ... + 3027623.

Almost surely, 2^142297200 is an apocalyptic number.

142297200 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 142297200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261153672).

142297200 is an abundant number, since it is smaller than the sum of its proper divisors (380010144).

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

142297200 is a wasteful number, since it uses less digits than its factorization.

142297200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 142297200 is about 11928.8390046978. The cubic root of 142297200 is about 522.0740635651.

The spelling of 142297200 in words is "one hundred forty-two million, two hundred ninety-seven thousand, two hundred".