944540105 has 4 divisors (see below), whose sum is σ = 1133448132. Its totient is φ = 755632080.

The previous prime is 944540089. The next prime is 944540123. The reversal of 944540105 is 501045449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501045449 = 97 ⋅5165417.

It can be written as a sum of positive squares in 2 ways, for example, as 285745216 + 658794889 = 16904^2 + 25667^2 .

It is not a de Polignac number, because 944540105 - 2⁴ = 944540089 is a prime.

It is a super-2 number, since 2×944540105² = 1784312019906822050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94454006 + ... + 94454015.

It is an arithmetic number, because the mean of its divisors is an integer number (283362033).

Almost surely, 2^944540105 is an apocalyptic number.

It is an amenable number.

944540105 is a deficient number, since it is larger than the sum of its proper divisors (188908027).

944540105 is a wasteful number, since it uses less digits than its factorization.

944540105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188908026.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 944540105 is about 30733.3711948429. The cubic root of 944540105 is about 981.1606770627.

The spelling of 944540105 in words is "nine hundred forty-four million, five hundred forty thousand, one hundred five".