142308400 has 60 divisors (see below), whose sum is σ = 368209072. Its totient is φ = 52542720.

The previous prime is 142308391. The next prime is 142308403. The reversal of 142308400 is 4803241.

It is not an unprimeable number, because it can be changed into a prime (142308403) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8484 + ... + 18883.

Almost surely, 2^142308400 is an apocalyptic number.

142308400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142308400 is an abundant number, since it is smaller than the sum of its proper divisors (225900672).

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

142308400 is a wasteful number, since it uses less digits than its factorization.

142308400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27398 (or 27387 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 142308400 is about 11929.3084460081. The cubic root of 142308400 is about 522.0877604289.

The spelling of 142308400 in words is "one hundred forty-two million, three hundred eight thousand, four hundred".