4054445 has 8 divisors (see below), whose sum is σ = 4887960. Its totient is φ = 3228480.

The previous prime is 4054411. The next prime is 4054451. The reversal of 4054445 is 5444504.

It can be written as a sum of positive squares in 4 ways, for example, as 1075369 + 2979076 = 1037^2 + 1726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4054445 - 2¹⁶ = 3988909 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (610995).

Almost surely, 2^4054445 is an apocalyptic number.

It is an amenable number.

4054445 is a deficient number, since it is larger than the sum of its proper divisors (833515).

4054445 is a wasteful number, since it uses less digits than its factorization.

4054445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 4054445 is about 2013.5652460251. The cubic root of 4054445 is about 159.4570790851.

Adding to 4054445 its reverse (5444504), we get a palindrome (9498949).

The spelling of 4054445 in words is "four million, fifty-four thousand, four hundred forty-five".