142200542 has 8 divisors (see below), whose sum is σ = 232691832. Its totient is φ = 64636600.

The previous prime is 142200523. The next prime is 142200547. The reversal of 142200542 is 245002241.

It is a happy number.

142200542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200547) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3231809 + ... + 3231852.

It is an arithmetic number, because the mean of its divisors is an integer number (29086479).

Almost surely, 2^142200542 is an apocalyptic number.

142200542 is a deficient number, since it is larger than the sum of its proper divisors (90491290).

142200542 is a wasteful number, since it uses less digits than its factorization.

142200542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463674.

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

The square root of 142200542 is about 11924.7868744058. The cubic root of 142200542 is about 521.9558273079.

Adding to 142200542 its reverse (245002241), we get a palindrome (387202783).

The spelling of 142200542 in words is "one hundred forty-two million, two hundred thousand, five hundred forty-two".