45109069 has 4 divisors (see below), whose sum is σ = 45744480. Its totient is φ = 44473660.

The previous prime is 45109063. The next prime is 45109081. The reversal of 45109069 is 96090154.

45109069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45109069 - 2⁵ = 45109037 is a prime.

It is a super-2 number, since 2×45109069² = 4069656212093522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45109063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317599 + ... + 317740.

It is an arithmetic number, because the mean of its divisors is an integer number (11436120).

Almost surely, 2^45109069 is an apocalyptic number.

It is an amenable number.

45109069 is a deficient number, since it is larger than the sum of its proper divisors (635411).

45109069 is an equidigital number, since it uses as much as digits as its factorization.

45109069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635410.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 45109069 is about 6716.3285357403. The cubic root of 45109069 is about 355.9764665881.

The spelling of 45109069 in words is "forty-five million, one hundred nine thousand, sixty-nine".