45982665 has 12 divisors (see below), whose sum is σ = 79703364. Its totient is φ = 24524064.

The previous prime is 45982663. The next prime is 45982669. The reversal of 45982665 is 56628954.

It can be written as a sum of positive squares in 2 ways, for example, as 32936121 + 13046544 = 5739^2 + 3612^2 .

It is not a de Polignac number, because 45982665 - 2¹ = 45982663 is a prime.

It is a super-2 number, since 2×45982665² = 4228810961004450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1021837 = 45982665 / (4 + 5 + 9 + 8 + 2 + 6 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45982665.

It is not an unprimeable number, because it can be changed into a prime (45982663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510874 + ... + 510963.

It is an arithmetic number, because the mean of its divisors is an integer number (6641947).

Almost surely, 2^45982665 is an apocalyptic number.

45982665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45982665 is a deficient number, since it is larger than the sum of its proper divisors (33720699).

45982665 is a wasteful number, since it uses less digits than its factorization.

45982665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021848 (or 1021845 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 45982665 is about 6781.0519095491. The cubic root of 45982665 is about 358.2597726532.

The spelling of 45982665 in words is "forty-five million, nine hundred eighty-two thousand, six hundred sixty-five".