4045312 has 20 divisors (see below), whose sum is σ = 8083746. Its totient is φ = 2022400.

The previous prime is 4045291. The next prime is 4045313. The reversal of 4045312 is 2135404.

It can be written as a sum of positive squares in only one way, i.e., 3154176 + 891136 = 1776^2 + 944^2 .

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4045312.

It is not an unprimeable number, because it can be changed into a prime (4045313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439 + ... + 4462.

Almost surely, 2^4045312 is an apocalyptic number.

It is an amenable number.

4045312 is a deficient number, since it is larger than the sum of its proper divisors (4038434).

4045312 is an frugal number, since it uses more digits than its factorization.

4045312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919 (or 7903 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4045312 is about 2011.2960995338. The cubic root of 4045312 is about 159.3372586270.

The spelling of 4045312 in words is "four million, forty-five thousand, three hundred twelve".