1444443146 has 8 divisors (see below), whose sum is σ = 2168389440. Its totient is φ = 721646668.

The previous prime is 1444443139. The next prime is 1444443149. The reversal of 1444443146 is 6413444441.

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

It is not an unprimeable number, because it can be changed into a prime (1444443149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284306 + ... + 289341.

It is an arithmetic number, because the mean of its divisors is an integer number (271048680).

Almost surely, 2^1444443146 is an apocalyptic number.

1444443146 is a deficient number, since it is larger than the sum of its proper divisors (723946294).

1444443146 is a wasteful number, since it uses less digits than its factorization.

1444443146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574908.

The product of its digits is 73728, while the sum is 35.

The square root of 1444443146 is about 38005.8304211341. The cubic root of 1444443146 is about 1130.4034756226.

Adding to 1444443146 its reverse (6413444441), we get a palindrome (7857887587).

The spelling of 1444443146 in words is "one billion, four hundred forty-four million, four hundred forty-three thousand, one hundred forty-six".