104216542 has 16 divisors (see below), whose sum is σ = 164035872. Its totient is φ = 49563360.

The previous prime is 104216537. The next prime is 104216549. The reversal of 104216542 is 245612401.

It is a happy number.

It is a super-2 number, since 2×104216542² = 21722175252875528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104216549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 14584.

It is an arithmetic number, because the mean of its divisors is an integer number (10252242).

Almost surely, 2^104216542 is an apocalyptic number.

104216542 is a deficient number, since it is larger than the sum of its proper divisors (59819330).

104216542 is a wasteful number, since it uses less digits than its factorization.

104216542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12723.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 104216542 is about 10208.6503515401. The cubic root of 104216542 is about 470.5930976354.

Adding to 104216542 its reverse (245612401), we get a palindrome (349828943).

The spelling of 104216542 in words is "one hundred four million, two hundred sixteen thousand, five hundred forty-two".