142244300 has 36 divisors (see below), whose sum is σ = 336733656. Its totient is φ = 51724800.

The previous prime is 142244299. The next prime is 142244303. The reversal of 142244300 is 3442241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (142244303) 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, 63557 + ... + 65756.

Almost surely, 2^142244300 is an apocalyptic number.

142244300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142244300 is an abundant number, since it is smaller than the sum of its proper divisors (194489356).

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

142244300 is a wasteful number, since it uses less digits than its factorization.

142244300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129338 (or 129331 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142244300 is about 11926.6214830521. The cubic root of 142244300 is about 522.0093606264.

Adding to 142244300 its reverse (3442241), we get a palindrome (145686541).

It can be divided in two parts, 142 and 244300, that added together give a palindrome (244442).

The spelling of 142244300 in words is "one hundred forty-two million, two hundred forty-four thousand, three hundred".