142285400 has 24 divisors (see below), whose sum is σ = 330814020. Its totient is φ = 56914080.

The previous prime is 142285391. The next prime is 142285441. The reversal of 142285400 is 4582241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 142285400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355514 + ... + 355913.

Almost surely, 2^142285400 is an apocalyptic number.

142285400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142285400 is an abundant number, since it is smaller than the sum of its proper divisors (188528620).

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

142285400 is a wasteful number, since it uses less digits than its factorization.

142285400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711443 (or 711434 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 142285400 is about 11928.3443947599. The cubic root of 142285400 is about 522.0596321632.

The spelling of 142285400 in words is "one hundred forty-two million, two hundred eighty-five thousand, four hundred".