1145343245445 has 96 divisors (see below), whose sum is σ = 2403541340928. Its totient is φ = 492538558464.

The previous prime is 1145343245441. The next prime is 1145343245461. The reversal of 1145343245445 is 5445423435411.

1145343245445 is a `hidden beast` number, since 1 + 1 + 4 + 534 + 3 + 24 + 54 + 45 = 666.

It is not a de Polignac number, because 1145343245445 - 2² = 1145343245441 is a prime.

It is a super-2 number, since 2×1145343245445² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1145343245445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145343245441) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10801827 + ... + 10907343.

It is an arithmetic number, because the mean of its divisors is an integer number (25036888968).

Almost surely, 2^{1145343245445} is an apocalyptic number.

1145343245445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145343245445 is an abundant number, since it is smaller than the sum of its proper divisors (1258198095483).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145343245445 is a wasteful number, since it uses less digits than its factorization.

1145343245445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107579 (or 107576 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The spelling of 1145343245445 in words is "one trillion, one hundred forty-five billion, three hundred forty-three million, two hundred forty-five thousand, four hundred forty-five".