4280045 has 16 divisors (see below), whose sum is σ = 6403968. Its totient is φ = 2667840.

The previous prime is 4280041. The next prime is 4280051. The reversal of 4280045 is 5400824.

It is not a de Polignac number, because 4280045 - 2² = 4280041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4280045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280041) 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, 5174 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (400248).

Almost surely, 2^4280045 is an apocalyptic number.

It is an amenable number.

4280045 is a deficient number, since it is larger than the sum of its proper divisors (2123923).

4280045 is a wasteful number, since it uses less digits than its factorization.

4280045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11140.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4280045 is about 2068.8269623146. The cubic root of 4280045 is about 162.3613966056.

Adding to 4280045 its reverse (5400824), we get a palindrome (9680869).

The spelling of 4280045 in words is "four million, two hundred eighty thousand, forty-five".