142235300 has 36 divisors (see below), whose sum is σ = 309615600. Its totient is φ = 56716320.

The previous prime is 142235293. The next prime is 142235321. The reversal of 142235300 is 3532241.

It is a happy number.

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

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 11 ways as a sum of consecutive naturals, for example, 32651 + ... + 36749.

Almost surely, 2^142235300 is an apocalyptic number.

142235300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142235300 is an abundant number, since it is smaller than the sum of its proper divisors (167380300).

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

142235300 is a wasteful number, since it uses less digits than its factorization.

142235300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460 (or 4453 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 142235300 is about 11926.2441698969. The cubic root of 142235300 is about 521.9983509683.

Adding to 142235300 its reverse (3532241), we get a palindrome (145767541).

The spelling of 142235300 in words is "one hundred forty-two million, two hundred thirty-five thousand, three hundred".