104240142 has 16 divisors (see below), whose sum is σ = 231644880. Its totient is φ = 34746696.

The previous prime is 104240083. The next prime is 104240153. The reversal of 104240142 is 241042401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 965133 + ... + 965240.

It is an arithmetic number, because the mean of its divisors is an integer number (14477805).

Almost surely, 2^104240142 is an apocalyptic number.

104240142 is an abundant number, since it is smaller than the sum of its proper divisors (127404738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104240142 is a wasteful number, since it uses less digits than its factorization.

104240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930384 (or 1930378 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 104240142 is about 10209.8061685813. The cubic root of 104240142 is about 470.6286171370.

Adding to 104240142 its reverse (241042401), we get a palindrome (345282543).

The spelling of 104240142 in words is "one hundred four million, two hundred forty thousand, one hundred forty-two".