4254445 has 32 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 2903040.

The previous prime is 4254389. The next prime is 4254449. The reversal of 4254445 is 5444524.

4254445 = 1458² + 1459².

It can be written as a sum of positive squares in 16 ways, for example, as 1855044 + 2399401 = 1362^2 + 1549^2 .

It is not a de Polignac number, because 4254445 - 2¹⁵ = 4221677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4254449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69715 + ... + 69775.

It is an arithmetic number, because the mean of its divisors is an integer number (185535).

Almost surely, 2^4254445 is an apocalyptic number.

4254445 is the 1459-th centered square number.

It is an amenable number.

4254445 is a deficient number, since it is larger than the sum of its proper divisors (1682675).

4254445 is a wasteful number, since it uses less digits than its factorization.

4254445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its digits is 12800, while the sum is 28.

The square root of 4254445 is about 2062.6306019256. The cubic root of 4254445 is about 162.0370412682.

Adding to 4254445 its reverse (5444524), we get a palindrome (9698969).

The spelling of 4254445 in words is "four million, two hundred fifty-four thousand, four hundred forty-five".