142099600 has 60 divisors (see below), whose sum is σ = 361493604. Its totient is φ = 53493760.

The previous prime is 142099597. The next prime is 142099603. The reversal of 142099600 is 6990241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142099597) and next prime (142099603).

It can be written as a sum of positive squares in 6 ways, for example, as 394384 + 141705216 = 628^2 + 11904^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142099603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3649 + ... + 17248.

Almost surely, 2^142099600 is an apocalyptic number.

142099600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142099600 is an abundant number, since it is smaller than the sum of its proper divisors (219394004).

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

142099600 is a wasteful number, since it uses less digits than its factorization.

142099600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20932 (or 20921 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 142099600 is about 11920.5536784161. The cubic root of 142099600 is about 521.8322934683.

The spelling of 142099600 in words is "one hundred forty-two million, ninety-nine thousand, six hundred".