104402142 has 32 divisors (see below), whose sum is σ = 249852960. Its totient is φ = 32123520.

The previous prime is 104402119. The next prime is 104402149. The reversal of 104402142 is 241204401.

104402142 is a `hidden beast` number, since 10 + 440 + 214 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104402149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73659 + ... + 75062.

It is an arithmetic number, because the mean of its divisors is an integer number (7807905).

Almost surely, 2^104402142 is an apocalyptic number.

104402142 is an abundant number, since it is smaller than the sum of its proper divisors (145450818).

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

104402142 is a wasteful number, since it uses less digits than its factorization.

104402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148745 (or 148739 counting only the distinct ones).

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

The square root of 104402142 is about 10217.7366378274. The cubic root of 104402142 is about 470.8722928543.

Adding to 104402142 its reverse (241204401), we get a palindrome (345606543).

The spelling of 104402142 in words is "one hundred four million, four hundred two thousand, one hundred forty-two".