142311300 has 72 divisors (see below), whose sum is σ = 420556416. Its totient is φ = 37138560.

The previous prime is 142311269. The next prime is 142311313. The reversal of 142311300 is 3113241.

It is a super-2 number, since 2×142311300² = 40505012215380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 142311300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9054 + ... + 19146.

Almost surely, 2^142311300 is an apocalyptic number.

142311300 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 142311300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210278208).

142311300 is an abundant number, since it is smaller than the sum of its proper divisors (278245116).

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

142311300 is a wasteful number, since it uses less digits than its factorization.

142311300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157 (or 10150 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 142311300 is about 11929.4299947650. The cubic root of 142311300 is about 522.0913068212.

Adding to 142311300 its reverse (3113241), we get a palindrome (145424541).

The spelling of 142311300 in words is "one hundred forty-two million, three hundred eleven thousand, three hundred".