265045455 has 48 divisors (see below), whose sum is σ = 473765760. Its totient is φ = 137001984.

The previous prime is 265045441. The next prime is 265045457. The reversal of 265045455 is 554540562.

It is not a de Polignac number, because 265045455 - 2⁷ = 265045327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265045457) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 238441 + ... + 239549.

It is an arithmetic number, because the mean of its divisors is an integer number (9870120).

Almost surely, 2^265045455 is an apocalyptic number.

265045455 is a deficient number, since it is larger than the sum of its proper divisors (208720305).

265045455 is a wasteful number, since it uses less digits than its factorization.

265045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 265045455 is about 16280.2166754623. The cubic root of 265045455 is about 642.3525518711.

The spelling of 265045455 in words is "two hundred sixty-five million, forty-five thousand, four hundred fifty-five".