26216145 has 24 divisors (see below), whose sum is σ = 47010600. Its totient is φ = 13499136.

The previous prime is 26216129. The next prime is 26216189. The reversal of 26216145 is 54161262.

26216145 is a `hidden beast` number, since 26 + 21 + 614 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 419904 + 25796241 = 648^2 + 5079^2 .

It is not a de Polignac number, because 26216145 - 2⁴ = 26216129 is a prime.

It is a super-2 number, since 2×26216145² = 1374572517322050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8740 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (1958775).

Almost surely, 2^26216145 is an apocalyptic number.

It is an amenable number.

26216145 is a deficient number, since it is larger than the sum of its proper divisors (20794455).

26216145 is a wasteful number, since it uses less digits than its factorization.

26216145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129 (or 20126 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 26216145 is about 5120.1704073204. The cubic root of 26216145 is about 297.0682766540.

The spelling of 26216145 in words is "twenty-six million, two hundred sixteen thousand, one hundred forty-five".