45414109 has 8 divisors (see below), whose sum is σ = 49068152. Its totient is φ = 41783040.

The previous prime is 45414107. The next prime is 45414113. The reversal of 45414109 is 90141454.

It can be written as a sum of positive squares in 4 ways, for example, as 9474084 + 35940025 = 3078^2 + 5995^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45414109 - 2¹ = 45414107 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45414107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (6133519).

Almost surely, 2^45414109 is an apocalyptic number.

It is an amenable number.

45414109 is a deficient number, since it is larger than the sum of its proper divisors (3654043).

45414109 is a wasteful number, since it uses less digits than its factorization.

45414109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11487.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 45414109 is about 6738.9991096601. Note that the first 3 decimals coincide. The cubic root of 45414109 is about 356.7770684326. Note that the first 3 decimals are identical.

The spelling of 45414109 in words is "forty-five million, four hundred fourteen thousand, one hundred nine".