442144154 has 16 divisors (see below), whose sum is σ = 689357088. Its totient is φ = 212502672.

The previous prime is 442144151. The next prime is 442144159. The reversal of 442144154 is 451441244.

It is not an unprimeable number, because it can be changed into a prime (442144151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29852 + ... + 42135.

It is an arithmetic number, because the mean of its divisors is an integer number (43084818).

Almost surely, 2^442144154 is an apocalyptic number.

442144154 is a deficient number, since it is larger than the sum of its proper divisors (247212934).

442144154 is a wasteful number, since it uses less digits than its factorization.

442144154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72109.

The product of its digits is 10240, while the sum is 29.

The square root of 442144154 is about 21027.2241154176. The cubic root of 442144154 is about 761.8239627978.

Adding to 442144154 its reverse (451441244), we get a palindrome (893585398).

The spelling of 442144154 in words is "four hundred forty-two million, one hundred forty-four thousand, one hundred fifty-four".