1443400105 has 12 divisors (see below), whose sum is σ = 2014869060. Its totient is φ = 989759904.

The previous prime is 1443400099. The next prime is 1443400141. The reversal of 1443400105 is 5010043441.

It can be written as a sum of positive squares in 2 ways, for example, as 639280656 + 804119449 = 25284^2 + 28357^2 .

It is not a de Polignac number, because 1443400105 - 2⁹ = 1443399593 is a prime.

It is a super-2 number, since 2×1443400105² = 4166807726228022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2945470 + ... + 2945959.

It is an arithmetic number, because the mean of its divisors is an integer number (167905755).

Almost surely, 2^1443400105 is an apocalyptic number.

It is an amenable number.

1443400105 is a deficient number, since it is larger than the sum of its proper divisors (571468955).

1443400105 is an equidigital number, since it uses as much as digits as its factorization.

1443400105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891448 (or 5891441 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1443400105 is about 37992.1058247631. The cubic root of 1443400105 is about 1130.1313197425.

Adding to 1443400105 its reverse (5010043441), we get a palindrome (6453443546).

The spelling of 1443400105 in words is "one billion, four hundred forty-three million, four hundred thousand, one hundred five".