142542200 has 24 divisors (see below), whose sum is σ = 331411080. Its totient is φ = 57016800.

The previous prime is 142542187. The next prime is 142542203. The reversal of 142542200 is 2245241.

It is a happy number.

142542200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142542203) 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, 356156 + ... + 356555.

It is an arithmetic number, because the mean of its divisors is an integer number (13808795).

Almost surely, 2^142542200 is an apocalyptic number.

142542200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142542200 is an abundant number, since it is smaller than the sum of its proper divisors (188868880).

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

142542200 is a wasteful number, since it uses less digits than its factorization.

142542200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712727 (or 712718 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 142542200 is about 11939.1038189640. The cubic root of 142542200 is about 522.3735185255.

Adding to 142542200 its reverse (2245241), we get a palindrome (144787441).

The spelling of 142542200 in words is "one hundred forty-two million, five hundred forty-two thousand, two hundred".