142055230 has 32 divisors (see below), whose sum is σ = 277051104. Its totient is φ = 52233216.

The previous prime is 142055227. The next prime is 142055261. The reversal of 142055230 is 32550241.

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, 2407 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (8657847).

Almost surely, 2^142055230 is an apocalyptic number.

142055230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142055230 is a deficient number, since it is larger than the sum of its proper divisors (134995874).

142055230 is a wasteful number, since it uses less digits than its factorization.

142055230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19500.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 142055230 is about 11918.6924618433. The cubic root of 142055230 is about 521.7779745043. Note that the first 3 decimals are identical.

The spelling of 142055230 in words is "one hundred forty-two million, fifty-five thousand, two hundred thirty".