142875000 has 168 divisors, whose sum is σ = 487493760. Its totient is φ = 37800000.

The previous prime is 142874989. The next prime is 142875017. The reversal of 142875000 is 578241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1124937 + ... + 1125063.

Almost surely, 2^142875000 is an apocalyptic number.

142875000 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 142875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243746880).

142875000 is an abundant number, since it is smaller than the sum of its proper divisors (344618760).

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

142875000 is an equidigital number, since it uses as much as digits as its factorization.

142875000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 142875000 is about 11953.0330878819. The cubic root of 142875000 is about 522.7797392488.

The spelling of 142875000 in words is "one hundred forty-two million, eight hundred seventy-five thousand".