142811300 has 18 divisors (see below), whose sum is σ = 309900738. Its totient is φ = 57124480.

The previous prime is 142811281. The next prime is 142811303. The reversal of 142811300 is 3118241.

142811300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13897984 + 128913316 = 3728^2 + 11354^2 .

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 (142811303) 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, 713957 + ... + 714156.

Almost surely, 2^142811300 is an apocalyptic number.

142811300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142811300 is an abundant number, since it is smaller than the sum of its proper divisors (167089438).

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

142811300 is a wasteful number, since it uses less digits than its factorization.

142811300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428127 (or 1428120 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 142811300 is about 11950.3681951645. The cubic root of 142811300 is about 522.7020349160.

Adding to 142811300 its reverse (3118241), we get a palindrome (145929541).

The spelling of 142811300 in words is "one hundred forty-two million, eight hundred eleven thousand, three hundred".