45109227 has 4 divisors (see below), whose sum is σ = 60145640. Its totient is φ = 30072816.

The previous prime is 45109223. The next prime is 45109271. The reversal of 45109227 is 72290154.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45109227 - 2² = 45109223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45109194 and 45109203.

It is not an unprimeable number, because it can be changed into a prime (45109223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7518202 + ... + 7518207.

It is an arithmetic number, because the mean of its divisors is an integer number (15036410).

Almost surely, 2^45109227 is an apocalyptic number.

45109227 is a deficient number, since it is larger than the sum of its proper divisors (15036413).

45109227 is a wasteful number, since it uses less digits than its factorization.

45109227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036412.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 45109227 is about 6716.3402981088. The cubic root of 45109227 is about 355.9768822046.

The spelling of 45109227 in words is "forty-five million, one hundred nine thousand, two hundred twenty-seven".