442144132 has 6 divisors (see below), whose sum is σ = 773752238. Its totient is φ = 221072064.

The previous prime is 442144099. The next prime is 442144151. The reversal of 442144132 is 231441244.

It can be written as a sum of positive squares in only one way, i.e., 319908996 + 122235136 = 17886^2 + 11056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442144097 and 442144106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55268013 + ... + 55268020.

Almost surely, 2^442144132 is an apocalyptic number.

It is an amenable number.

442144132 is a deficient number, since it is larger than the sum of its proper divisors (331608106).

442144132 is a wasteful number, since it uses less digits than its factorization.

442144132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110536037 (or 110536035 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 442144132 is about 21027.2235922863. The cubic root of 442144132 is about 761.8239501624.

Adding to 442144132 its reverse (231441244), we get a palindrome (673585376).

The spelling of 442144132 in words is "four hundred forty-two million, one hundred forty-four thousand, one hundred thirty-two".