4544642 has 4 divisors (see below), whose sum is σ = 6816966. Its totient is φ = 2272320.

The previous prime is 4544641. The next prime is 4544663. The reversal of 4544642 is 2464454.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2464454 = 2 ⋅1232227.

It can be written as a sum of positive squares in only one way, i.e., 4541161 + 3481 = 2131^2 + 59^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136159 + ... + 1136162.

Almost surely, 2^4544642 is an apocalyptic number.

4544642 is a deficient number, since it is larger than the sum of its proper divisors (2272324).

4544642 is a wasteful number, since it uses less digits than its factorization.

4544642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272323.

The product of its digits is 15360, while the sum is 29.

The square root of 4544642 is about 2131.8165962390. The cubic root of 4544642 is about 165.6405100937.

The spelling of 4544642 in words is "four million, five hundred forty-four thousand, six hundred forty-two".