44142242 has 4 divisors (see below), whose sum is σ = 66213366. Its totient is φ = 22071120.

The previous prime is 44142239. The next prime is 44142247. The reversal of 44142242 is 24224144.

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

It can be written as a sum of positive squares in only one way, i.e., 43705321 + 436921 = 6611^2 + 661^2 .

It is not an unprimeable number, because it can be changed into a prime (44142247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11035559 + ... + 11035562.

Almost surely, 2^44142242 is an apocalyptic number.

44142242 is a deficient number, since it is larger than the sum of its proper divisors (22071124).

44142242 is a wasteful number, since it uses less digits than its factorization.

44142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071123.

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

The square root of 44142242 is about 6643.9628234962. The cubic root of 44142242 is about 353.4148514497.

Adding to 44142242 its reverse (24224144), we get a palindrome (68366386).

The spelling of 44142242 in words is "forty-four million, one hundred forty-two thousand, two hundred forty-two".