265250145 has 16 divisors (see below), whose sum is σ = 442852992. Its totient is φ = 135315840.

The previous prime is 265250113. The next prime is 265250159. The reversal of 265250145 is 541052562.

It is not a de Polignac number, because 265250145 - 2⁵ = 265250113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384076 + ... + 384765.

It is an arithmetic number, because the mean of its divisors is an integer number (27678312).

Almost surely, 2^265250145 is an apocalyptic number.

It is an amenable number.

265250145 is a deficient number, since it is larger than the sum of its proper divisors (177602847).

265250145 is a wasteful number, since it uses less digits than its factorization.

265250145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768872.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 265250145 is about 16286.5019264420. The cubic root of 265250145 is about 642.5178685599.

The spelling of 265250145 in words is "two hundred sixty-five million, two hundred fifty thousand, one hundred forty-five".