1442272105 has 8 divisors (see below), whose sum is σ = 1759099464. Its totient is φ = 1134902400.

The previous prime is 1442272103. The next prime is 1442272123. The reversal of 1442272105 is 5012722441.

It can be written as a sum of positive squares in 4 ways, for example, as 6165289 + 1436106816 = 2483^2 + 37896^2 .

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

It is not a de Polignac number, because 1442272105 - 2¹ = 1442272103 is a prime.

It is a super-2 number, since 2×1442272105² = 4160297649722262050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442272103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364076 + ... + 2364685.

It is an arithmetic number, because the mean of its divisors is an integer number (219887433).

Almost surely, 2^1442272105 is an apocalyptic number.

It is an amenable number.

1442272105 is a deficient number, since it is larger than the sum of its proper divisors (316827359).

1442272105 is an equidigital number, since it uses as much as digits as its factorization.

1442272105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728827.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 1442272105 is about 37977.2577340703. The cubic root of 1442272105 is about 1129.8368482961.

Adding to 1442272105 its reverse (5012722441), we get a palindrome (6454994546).

The spelling of 1442272105 in words is "one billion, four hundred forty-two million, two hundred seventy-two thousand, one hundred five".