1442246105 has 4 divisors (see below), whose sum is σ = 1730695332. Its totient is φ = 1153796880.

The previous prime is 1442246081. The next prime is 1442246107. The reversal of 1442246105 is 5016422441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 541585984 + 900660121 = 23272^2 + 30011^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1442246105 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1442246107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144224606 + ... + 144224615.

It is an arithmetic number, because the mean of its divisors is an integer number (432673833).

Almost surely, 2^1442246105 is an apocalyptic number.

It is an amenable number.

1442246105 is a deficient number, since it is larger than the sum of its proper divisors (288449227).

1442246105 is an equidigital number, since it uses as much as digits as its factorization.

1442246105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288449226.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1442246105 is about 37976.9154223984. The cubic root of 1442246105 is about 1129.8300590237.

Adding to 1442246105 its reverse (5016422441), we get a palindrome (6458668546).

The spelling of 1442246105 in words is "one billion, four hundred forty-two million, two hundred forty-six thousand, one hundred five".