142200254 has 32 divisors (see below), whose sum is σ = 251428800. Its totient is φ = 60286464.

The previous prime is 142200241. The next prime is 142200263. The reversal of 142200254 is 452002241.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65474 + ... + 67610.

It is an arithmetic number, because the mean of its divisors is an integer number (7857150).

Almost surely, 2^142200254 is an apocalyptic number.

142200254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142200254 is a deficient number, since it is larger than the sum of its proper divisors (109228546).

142200254 is an equidigital number, since it uses as much as digits as its factorization.

142200254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2243 counting only the distinct ones).

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

The square root of 142200254 is about 11924.7747987121. The cubic root of 142200254 is about 521.9554749337.

Adding to 142200254 its reverse (452002241), we get a palindrome (594202495).

The spelling of 142200254 in words is "one hundred forty-two million, two hundred thousand, two hundred fifty-four".