1444115542 has 8 divisors (see below), whose sum is σ = 2166523632. Its totient is φ = 721941000.

The previous prime is 1444115537. The next prime is 1444115567. The reversal of 1444115542 is 2455114441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42009 + ... + 68212.

It is an arithmetic number, because the mean of its divisors is an integer number (270815454).

Almost surely, 2^1444115542 is an apocalyptic number.

1444115542 is a deficient number, since it is larger than the sum of its proper divisors (722408090).

1444115542 is a wasteful number, since it uses less digits than its factorization.

1444115542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116774.

The product of its digits is 12800, while the sum is 31.

The square root of 1444115542 is about 38001.5202590633. The cubic root of 1444115542 is about 1130.3180095379.

Adding to 1444115542 its reverse (2455114441), we get a palindrome (3899229983).

The spelling of 1444115542 in words is "one billion, four hundred forty-four million, one hundred fifteen thousand, five hundred forty-two".