1144428764534 has 32 divisors (see below), whose sum is σ = 1937727684000. Its totient is φ = 502140432640.

The previous prime is 1144428764497. The next prime is 1144428764539. The reversal of 1144428764534 is 4354678244411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144428764539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568434 + ... + 2980890.

It is an arithmetic number, because the mean of its divisors is an integer number (60553990125).

Almost surely, 2^{1144428764534} is an apocalyptic number.

1144428764534 is a deficient number, since it is larger than the sum of its proper divisors (793298919466).

1144428764534 is a wasteful number, since it uses less digits than its factorization.

1144428764534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416848.

The product of its digits is 10321920, while the sum is 53.

The spelling of 1144428764534 in words is "one trillion, one hundred forty-four billion, four hundred twenty-eight million, seven hundred sixty-four thousand, five hundred thirty-four".