1044254321145 has 24 divisors (see below), whose sum is σ = 2068618084416. Its totient is φ = 477373403808.

The previous prime is 1044254321137. The next prime is 1044254321167. The reversal of 1044254321145 is 5411234524401.

1044254321145 is a `hidden beast` number, since 1 + 0 + 44 + 254 + 321 + 1 + 45 = 666.

It is not a de Polignac number, because 1044254321145 - 2³ = 1044254321137 is a prime.

It is a super-2 number, since 2×1044254321145² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1657546227 + ... + 1657546856.

It is an arithmetic number, because the mean of its divisors is an integer number (86192420184).

Almost surely, 2^{1044254321145} is an apocalyptic number.

1044254321145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1044254321145 is a deficient number, since it is larger than the sum of its proper divisors (1024363763271).

1044254321145 is a wasteful number, since it uses less digits than its factorization.

1044254321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315093101 (or 3315093098 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 1044254321145 its reverse (5411234524401), we get a palindrome (6455488845546).

The spelling of 1044254321145 in words is "one trillion, forty-four billion, two hundred fifty-four million, three hundred twenty-one thousand, one hundred forty-five".