1144310274557 has 4 divisors (see below), whose sum is σ = 1144366851420. Its totient is φ = 1144253697696.

The previous prime is 1144310274539. The next prime is 1144310274587. The reversal of 1144310274557 is 7554720134411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 585425447161 + 558884827396 = 765131^2 + 747586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144310274557 - 2⁶ = 1144310274493 is a prime.

It is a super-3 number, since 3×1144310274557³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144310274587) 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, 28258082 + ... + 28298547.

It is an arithmetic number, because the mean of its divisors is an integer number (286091712855).

Almost surely, 2^{1144310274557} is an apocalyptic number.

It is an amenable number.

1144310274557 is a deficient number, since it is larger than the sum of its proper divisors (56576863).

1144310274557 is an equidigital number, since it uses as much as digits as its factorization.

1144310274557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56576862.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 1144310274557 in words is "one trillion, one hundred forty-four billion, three hundred ten million, two hundred seventy-four thousand, five hundred fifty-seven".