105891442 has 8 divisors (see below), whose sum is σ = 160848000. Its totient is φ = 52275444.

The previous prime is 105891439. The next prime is 105891491. The reversal of 105891442 is 244198501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105891442² = 22425994977678728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105891398 and 105891407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334942 + ... + 335257.

It is an arithmetic number, because the mean of its divisors is an integer number (20106000).

Almost surely, 2^105891442 is an apocalyptic number.

105891442 is a deficient number, since it is larger than the sum of its proper divisors (54956558).

105891442 is an equidigital number, since it uses as much as digits as its factorization.

105891442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670280.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 105891442 is about 10290.3567479461. The cubic root of 105891442 is about 473.1007328810.

The spelling of 105891442 in words is "one hundred five million, eight hundred ninety-one thousand, four hundred forty-two".