142228500 has 48 divisors (see below), whose sum is σ = 414173760. Its totient is φ = 37927200.

The previous prime is 142228469. The next prime is 142228501. The reversal of 142228500 is 5822241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142228501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45910 + ... + 48909.

It is an arithmetic number, because the mean of its divisors is an integer number (8628620).

Almost surely, 2^142228500 is an apocalyptic number.

142228500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142228500 is an abundant number, since it is smaller than the sum of its proper divisors (271945260).

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

142228500 is a wasteful number, since it uses less digits than its factorization.

142228500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94841 (or 94829 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 142228500 is about 11925.9590809293. The cubic root of 142228500 is about 521.9900322519.

It can be divided in two parts, 14222 and 8500, that added together give a palindrome (22722).

The spelling of 142228500 in words is "one hundred forty-two million, two hundred twenty-eight thousand, five hundred".