45320265 has 12 divisors (see below), whose sum is σ = 78555204. Its totient is φ = 24170784.

The previous prime is 45320257. The next prime is 45320269. The reversal of 45320265 is 56202354.

45320265 is a `hidden beast` number, since 453 + 202 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16451136 + 28869129 = 4056^2 + 5373^2 .

It is not a de Polignac number, because 45320265 - 2³ = 45320257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45320269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503514 + ... + 503603.

It is an arithmetic number, because the mean of its divisors is an integer number (6546267).

Almost surely, 2^45320265 is an apocalyptic number.

45320265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45320265 is a deficient number, since it is larger than the sum of its proper divisors (33234939).

45320265 is a wasteful number, since it uses less digits than its factorization.

45320265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007128 (or 1007125 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 45320265 is about 6732.0327539310. The cubic root of 45320265 is about 356.5311501742.

The spelling of 45320265 in words is "forty-five million, three hundred twenty thousand, two hundred sixty-five".