105774145 has 16 divisors (see below), whose sum is σ = 128676240. Its totient is φ = 83462400.

The previous prime is 105774133. The next prime is 105774181. The reversal of 105774145 is 541477501.

It can be written as a sum of positive squares in 8 ways, for example, as 17564481 + 88209664 = 4191^2 + 9392^2 .

It is a de Polignac number, because none of the positive numbers 2^k-105774145 is a prime.

It is a super-2 number, since 2×105774145² = 22376339500962050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105774145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229215 + ... + 229675.

It is an arithmetic number, because the mean of its divisors is an integer number (8042265).

Almost surely, 2^105774145 is an apocalyptic number.

It is an amenable number.

105774145 is a deficient number, since it is larger than the sum of its proper divisors (22902095).

105774145 is a wasteful number, since it uses less digits than its factorization.

105774145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 105774145 is about 10284.6558036718. The cubic root of 105774145 is about 472.9259822169.

The spelling of 105774145 in words is "one hundred five million, seven hundred seventy-four thousand, one hundred forty-five".