45775665 has 32 divisors (see below), whose sum is σ = 87642240. Its totient is φ = 22534848.

The previous prime is 45775661. The next prime is 45775687. The reversal of 45775665 is 56657754.

It is not a de Polignac number, because 45775665 - 2² = 45775661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45775665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45775661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11287 + ... + 14796.

It is an arithmetic number, because the mean of its divisors is an integer number (2738820).

Almost surely, 2^45775665 is an apocalyptic number.

45775665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45775665 is a deficient number, since it is larger than the sum of its proper divisors (41866575).

45775665 is a wasteful number, since it uses less digits than its factorization.

45775665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26110 (or 26104 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 45775665 is about 6765.7715746247. The cubic root of 45775665 is about 357.7213716878.

The spelling of 45775665 in words is "forty-five million, seven hundred seventy-five thousand, six hundred sixty-five".