26087145 has 32 divisors (see below), whose sum is σ = 48522240. Its totient is φ = 11720640.

The previous prime is 26087141. The next prime is 26087147. The reversal of 26087145 is 54178062.

It is not a de Polignac number, because 26087145 - 2² = 26087141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26087141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4090 + ... + 8300.

It is an arithmetic number, because the mean of its divisors is an integer number (1516320).

Almost surely, 2^26087145 is an apocalyptic number.

It is an amenable number.

26087145 is a deficient number, since it is larger than the sum of its proper divisors (22435095).

26087145 is a wasteful number, since it uses less digits than its factorization.

26087145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 26087145 is about 5107.5576355045. The cubic root of 26087145 is about 296.5802207134.

The spelling of 26087145 in words is "twenty-six million, eighty-seven thousand, one hundred forty-five".