1045159465439 has 4 divisors (see below), whose sum is σ = 1070651159760. Its totient is φ = 1019667771120.

The previous prime is 1045159465387. The next prime is 1045159465453. The reversal of 1045159465439 is 9345649515401.

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

It is a cyclic number.

It is not a de Polignac number, because 1045159465439 - 2¹² = 1045159461343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045159465459) 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, 12745847099 + ... + 12745847180.

It is an arithmetic number, because the mean of its divisors is an integer number (267662789940).

Almost surely, 2^{1045159465439} is an apocalyptic number.

1045159465439 is a deficient number, since it is larger than the sum of its proper divisors (25491694321).

1045159465439 is an equidigital number, since it uses as much as digits as its factorization.

1045159465439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25491694320.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 1045159465439 in words is "one trillion, forty-five billion, one hundred fifty-nine million, four hundred sixty-five thousand, four hundred thirty-nine".