142436546 has 32 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 59245056.

The previous prime is 142436533. The next prime is 142436587. The reversal of 142436546 is 645634241.

142436546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 70985 + ... + 72963.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^142436546 is an apocalyptic number.

142436546 is a deficient number, since it is larger than the sum of its proper divisors (109039294).

142436546 is a wasteful number, since it uses less digits than its factorization.

142436546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138.

The product of its digits is 69120, while the sum is 35.

The square root of 142436546 is about 11934.6782947845. The cubic root of 142436546 is about 522.2444234379.

The spelling of 142436546 in words is "one hundred forty-two million, four hundred thirty-six thousand, five hundred forty-six".