1444533077 has 12 divisors (see below), whose sum is σ = 1565460324. Its totient is φ = 1332339840.

The previous prime is 1444533067. The next prime is 1444533113. The reversal of 1444533077 is 7703354441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 89851441 + 1354681636 = 9479^2 + 36806^2 .

It is not a de Polignac number, because 1444533077 - 2¹⁰ = 1444532053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444533077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444533037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271313 + ... + 276585.

It is an arithmetic number, because the mean of its divisors is an integer number (130455027).

Almost surely, 2^1444533077 is an apocalyptic number.

It is an amenable number.

1444533077 is a deficient number, since it is larger than the sum of its proper divisors (120927247).

1444533077 is a wasteful number, since it uses less digits than its factorization.

1444533077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 1444533077 is about 38007.0135238222. The cubic root of 1444533077 is about 1130.4269347680.

The spelling of 1444533077 in words is "one billion, four hundred forty-four million, five hundred thirty-three thousand, seventy-seven".