142775200 has 36 divisors (see below), whose sum is σ = 348551910. Its totient is φ = 57109760.

The previous prime is 142775141. The next prime is 142775203. The reversal of 142775200 is 2577241.

It can be written as a sum of positive squares in 3 ways, for example, as 56731024 + 86044176 = 7532^2 + 9276^2 .

It is not an unprimeable number, because it can be changed into a prime (142775203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88435 + ... + 90034.

Almost surely, 2^142775200 is an apocalyptic number.

142775200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142775200 is an abundant number, since it is smaller than the sum of its proper divisors (205776710).

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

142775200 is a wasteful number, since it uses less digits than its factorization.

142775200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178489 (or 178476 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 142775200 is about 11948.8576859882. The cubic root of 142775200 is about 522.6579881362.

The spelling of 142775200 in words is "one hundred forty-two million, seven hundred seventy-five thousand, two hundred".