1122845678445 has 32 divisors (see below), whose sum is σ = 1822128182784. Its totient is φ = 590376896000.

The previous prime is 1122845678443. The next prime is 1122845678491. The reversal of 1122845678445 is 5448765482211.

It is not a de Polignac number, because 1122845678445 - 2¹ = 1122845678443 is a prime.

It is a super-2 number, since 2×1122845678445² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122845678443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237461 + ... + 1943450.

It is an arithmetic number, because the mean of its divisors is an integer number (56941505712).

Almost surely, 2^{1122845678445} is an apocalyptic number.

1122845678445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122845678445 is a deficient number, since it is larger than the sum of its proper divisors (699282504339).

1122845678445 is a wasteful number, since it uses less digits than its factorization.

1122845678445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181253.

The product of its digits is 17203200, while the sum is 57.

The spelling of 1122845678445 in words is "one trillion, one hundred twenty-two billion, eight hundred forty-five million, six hundred seventy-eight thousand, four hundred forty-five".