4480145 has 16 divisors (see below), whose sum is σ = 5626128. Its totient is φ = 3421440.

The previous prime is 4480141. The next prime is 4480153. The reversal of 4480145 is 5410844.

4480145 = T₁₂₁ + T₁₂₂ + ... + T₃₀₅.

It can be written as a sum of positive squares in 8 ways, for example, as 15376 + 4464769 = 124^2 + 2113^2 .

It is not a de Polignac number, because 4480145 - 2² = 4480141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (4480141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11087 + ... + 11483.

It is an arithmetic number, because the mean of its divisors is an integer number (351633).

Almost surely, 2^4480145 is an apocalyptic number.

It is an amenable number.

4480145 is a deficient number, since it is larger than the sum of its proper divisors (1145983).

4480145 is a wasteful number, since it uses less digits than its factorization.

4480145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 4480145 is about 2116.6353016049. The cubic root of 4480145 is about 164.8531905040.

Adding to 4480145 its reverse (5410844), we get a palindrome (9890989).

The spelling of 4480145 in words is "four million, four hundred eighty thousand, one hundred forty-five".