142104005 has 16 divisors (see below), whose sum is σ = 178948224. Its totient is φ = 108123840.

The previous prime is 142103993. The next prime is 142104007. The reversal of 142104005 is 500401241.

It is not a de Polignac number, because 142104005 - 2⁴ = 142103989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142104007) by changing a digit.

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, 17402 + ... + 24228.

It is an arithmetic number, because the mean of its divisors is an integer number (11184264).

Almost surely, 2^142104005 is an apocalyptic number.

It is an amenable number.

142104005 is a deficient number, since it is larger than the sum of its proper divisors (36844219).

142104005 is a wasteful number, since it uses less digits than its factorization.

142104005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 142104005 is about 11920.7384418919. The cubic root of 142104005 is about 521.8376855723.

Adding to 142104005 its reverse (500401241), we get a palindrome (642505246).

The spelling of 142104005 in words is "one hundred forty-two million, one hundred four thousand, five".