4245544 has 8 divisors (see below), whose sum is σ = 7960410. Its totient is φ = 2122768.

The previous prime is 4245541. The next prime is 4245551. The reversal of 4245544 is 4455424.

It can be written as a sum of positive squares in only one way, i.e., 2683044 + 1562500 = 1638^2 + 1250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4245541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265339 + ... + 265354.

Almost surely, 2^4245544 is an apocalyptic number.

It is an amenable number.

4245544 is a deficient number, since it is larger than the sum of its proper divisors (3714866).

4245544 is a wasteful number, since it uses less digits than its factorization.

4245544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530699 (or 530695 counting only the distinct ones).

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

The square root of 4245544 is about 2060.4717906344. The cubic root of 4245544 is about 161.9239596393.

The spelling of 4245544 in words is "four million, two hundred forty-five thousand, five hundred forty-four".