105444907 has 4 divisors (see below), whose sum is σ = 108016776. Its totient is φ = 102873040.

The previous prime is 105444883. The next prime is 105444953. The reversal of 105444907 is 709444501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709444501 = 6271 ⋅113131.

It is a cyclic number.

It is not a de Polignac number, because 105444907 - 2¹⁹ = 104920619 is a prime.

It is a super-2 number, since 2×105444907² = 22237256824477298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105448907) 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, 1285873 + ... + 1285954.

It is an arithmetic number, because the mean of its divisors is an integer number (27004194).

Almost surely, 2^105444907 is an apocalyptic number.

105444907 is a deficient number, since it is larger than the sum of its proper divisors (2571869).

105444907 is an equidigital number, since it uses as much as digits as its factorization.

105444907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571868.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 105444907 is about 10268.6370565913. The cubic root of 105444907 is about 472.4347877117.

It can be divided in two parts, 10544 and 4907, that added together give a palindrome (15451).

The spelling of 105444907 in words is "one hundred five million, four hundred forty-four thousand, nine hundred seven".