105611442 has 16 divisors (see below), whose sum is σ = 211379232. Its totient is φ = 35177760.

The previous prime is 105611437. The next prime is 105611447. The reversal of 105611442 is 244116501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105611437) and next prime (105611447).

It is a super-2 number, since 2×105611442² = 22307553362638728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105611447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438 + ... + 14934.

It is an arithmetic number, because the mean of its divisors is an integer number (13211202).

Almost surely, 2^105611442 is an apocalyptic number.

105611442 is an abundant number, since it is smaller than the sum of its proper divisors (105767790).

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

105611442 is a wasteful number, since it uses less digits than its factorization.

105611442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 105611442 is about 10276.7427719098. The cubic root of 105611442 is about 472.6833710597.

Adding to 105611442 its reverse (244116501), we get a palindrome (349727943).

The spelling of 105611442 in words is "one hundred five million, six hundred eleven thousand, four hundred forty-two".