4444142 has 4 divisors (see below), whose sum is σ = 6666216. Its totient is φ = 2222070.

The previous prime is 4444127. The next prime is 4444147. The reversal of 4444142 is 2414444.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111034 + ... + 1111037.

It is an arithmetic number, because the mean of its divisors is an integer number (1666554).

Almost surely, 2^4444142 is an apocalyptic number.

4444142 is a deficient number, since it is larger than the sum of its proper divisors (2222074).

4444142 is a wasteful number, since it uses less digits than its factorization.

4444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222073.

The product of its digits is 2048, while the sum is 23.

The square root of 4444142 is about 2108.1133745603. The cubic root of 4444142 is about 164.4104087434.

Adding to 4444142 its reverse (2414444), we get a palindrome (6858586).

The spelling of 4444142 in words is "four million, four hundred forty-four thousand, one hundred forty-two".