142104542 has 8 divisors (see below), whose sum is σ = 213582096. Its totient is φ = 70910512.

The previous prime is 142104517. The next prime is 142104559. The reversal of 142104542 is 245401241.

142104542 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69623 + ... + 71634.

It is an arithmetic number, because the mean of its divisors is an integer number (26697762).

Almost surely, 2^142104542 is an apocalyptic number.

142104542 is a deficient number, since it is larger than the sum of its proper divisors (71477554).

142104542 is a wasteful number, since it uses less digits than its factorization.

142104542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141762.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 142104542 is about 11920.7609656431. The cubic root of 142104542 is about 521.8383428995.

Adding to 142104542 its reverse (245401241), we get a palindrome (387505783).

The spelling of 142104542 in words is "one hundred forty-two million, one hundred four thousand, five hundred forty-two".