1045444155425 has 18 divisors (see below), whose sum is σ = 1377092331618. Its totient is φ = 787157946880.

The previous prime is 1045444155389. The next prime is 1045444155433. The reversal of 1045444155425 is 5245514445401.

1045444155425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 292893110416 + 752551045009 = 541196^2 + 867497^2 .

It is not a de Polignac number, because 1045444155425 - 2¹⁰ = 1045444154401 is a prime.

It is a super-2 number, since 2×1045444155425² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72341852 + ... + 72356301.

Almost surely, 2^{1045444155425} is an apocalyptic number.

It is an amenable number.

1045444155425 is a deficient number, since it is larger than the sum of its proper divisors (331648176193).

1045444155425 is a wasteful number, since it uses less digits than its factorization.

1045444155425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144698197 (or 144698175 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

The spelling of 1045444155425 in words is "one trillion, forty-five billion, four hundred forty-four million, one hundred fifty-five thousand, four hundred twenty-five".