4455140 has 24 divisors (see below), whose sum is σ = 9397752. Its totient is φ = 1774080.

The previous prime is 4455119. The next prime is 4455151. The reversal of 4455140 is 415544.

It can be written as a sum of positive squares in 4 ways, for example, as 550564 + 3904576 = 742^2 + 1976^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6410 + ... + 7070.

It is an arithmetic number, because the mean of its divisors is an integer number (391573).

Almost surely, 2^4455140 is an apocalyptic number.

It is an amenable number.

4455140 is an abundant number, since it is smaller than the sum of its proper divisors (4942612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4455140 is a wasteful number, since it uses less digits than its factorization.

4455140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4455140 is about 2110.7202562159. The cubic root of 4455140 is about 164.5459201754.

The spelling of 4455140 in words is "four million, four hundred fifty-five thousand, one hundred forty".