45386009 has 4 divisors (see below), whose sum is σ = 45854004. Its totient is φ = 44918016.

The previous prime is 45385979. The next prime is 45386021. The reversal of 45386009 is 90068354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90068354 = 2 ⋅45034177.

It can be written as a sum of positive squares in 2 ways, for example, as 27510025 + 17875984 = 5245^2 + 4228^2 .

It is a cyclic number.

It is not a de Polignac number, because 45386009 - 2¹² = 45381913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45386009.

It is not an unprimeable number, because it can be changed into a prime (45386059) 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 3 ways as a sum of consecutive naturals, for example, 233852 + ... + 234045.

It is an arithmetic number, because the mean of its divisors is an integer number (11463501).

Almost surely, 2^45386009 is an apocalyptic number.

It is an amenable number.

45386009 is a deficient number, since it is larger than the sum of its proper divisors (467995).

45386009 is an equidigital number, since it uses as much as digits as its factorization.

45386009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467994.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 45386009 is about 6736.9139077177. The cubic root of 45386009 is about 356.7034679275.

The spelling of 45386009 in words is "forty-five million, three hundred eighty-six thousand, nine".