45109369 has 4 divisors (see below), whose sum is σ = 45123444. Its totient is φ = 45095296.

The previous prime is 45109367. The next prime is 45109399. The reversal of 45109369 is 96390154.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7225344 + 37884025 = 2688^2 + 6155^2 .

It is a cyclic number.

It is not a de Polignac number, because 45109369 - 2¹ = 45109367 is a prime.

It is a super-2 number, since 2×45109369² = 4069710343156322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45109367) 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, 369 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (11280861).

Almost surely, 2^45109369 is an apocalyptic number.

It is an amenable number.

45109369 is a deficient number, since it is larger than the sum of its proper divisors (14075).

45109369 is an equidigital number, since it uses as much as digits as its factorization.

45109369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14074.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 45109369 is about 6716.3508693337. The cubic root of 45109369 is about 355.9772557325.

The spelling of 45109369 in words is "forty-five million, one hundred nine thousand, three hundred sixty-nine".