1444102881 has 16 divisors (see below), whose sum is σ = 2074283904. Its totient is φ = 888378624.

The previous prime is 1444102843. The next prime is 1444102883. The reversal of 1444102881 is 1882014441.

It is not a de Polignac number, because 1444102881 - 2¹⁸ = 1443840737 is a prime.

It is a super-2 number, since 2×1444102881² = 4170866261825000322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1444102883) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 184020 + ... + 191706.

It is an arithmetic number, because the mean of its divisors is an integer number (129642744).

Almost surely, 2^1444102881 is an apocalyptic number.

It is an amenable number.

1444102881 is a deficient number, since it is larger than the sum of its proper divisors (630181023).

1444102881 is a wasteful number, since it uses less digits than its factorization.

1444102881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1444102881 is about 38001.3536732575. The cubic root of 1444102881 is about 1130.3147062477.

The spelling of 1444102881 in words is "one billion, four hundred forty-four million, one hundred two thousand, eight hundred eighty-one".