4045048 has 48 divisors (see below), whose sum is σ = 9357120. Its totient is φ = 1628928.

The previous prime is 4045009. The next prime is 4045049. The reversal of 4045048 is 8405404.

4045048 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6361 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

Almost surely, 2^4045048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4045048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4678560).

4045048 is an abundant number, since it is smaller than the sum of its proper divisors (5312072).

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

4045048 is a wasteful number, since it uses less digits than its factorization.

4045048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4045048 is about 2011.2304691407. The cubic root of 4045048 is about 159.3337923965. Note that the first 3 decimals are identical.

The spelling of 4045048 in words is "four million, forty-five thousand, forty-eight".