142104434 has 16 divisors (see below), whose sum is σ = 220450560. Its totient is φ = 68629680.

The previous prime is 142104407. The next prime is 142104493. The reversal of 142104434 is 434401241.

It is a happy number.

142104434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36137 + ... + 39875.

It is an arithmetic number, because the mean of its divisors is an integer number (13778160).

Almost surely, 2^142104434 is an apocalyptic number.

142104434 is a deficient number, since it is larger than the sum of its proper divisors (78346126).

142104434 is a wasteful number, since it uses less digits than its factorization.

142104434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 142104434 is about 11920.7564357301. The cubic root of 142104434 is about 521.8382106998.

Adding to 142104434 its reverse (434401241), we get a palindrome (576505675).

The spelling of 142104434 in words is "one hundred forty-two million, one hundred four thousand, four hundred thirty-four".