1144428442658 has 16 divisors (see below), whose sum is σ = 1720647141624. Its totient is φ = 570880302720.

The previous prime is 1144428442649. The next prime is 1144428442681. The reversal of 1144428442658 is 8562448244411.

It can be written as a sum of positive squares in 4 ways, for example, as 965056711129 + 179371731529 = 982373^2 + 423523^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314016 + ... + 2764692.

Almost surely, 2^{1144428442658} is an apocalyptic number.

1144428442658 is a deficient number, since it is larger than the sum of its proper divisors (576218698966).

1144428442658 is a wasteful number, since it uses less digits than its factorization.

1144428442658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453637.

The product of its digits is 7864320, while the sum is 53.

The spelling of 1144428442658 in words is "one trillion, one hundred forty-four billion, four hundred twenty-eight million, four hundred forty-two thousand, six hundred fifty-eight".