2243145144555 has 24 divisors (see below), whose sum is σ = 4443563715552. Its totient is φ = 1025437780224.

The previous prime is 2243145144433. The next prime is 2243145144563. The reversal of 2243145144555 is 5554415413422.

2243145144555 is a `hidden beast` number, since 2 + 2 + 4 + 3 + 1 + 4 + 51 + 44 + 555 = 666.

2243145144555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243145144555 - 2¹⁰ = 2243145143531 is a prime.

It is a super-2 number, since 2×2243145144555² (a number of 26 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 2243145144555.

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, 3560547534 + ... + 3560548163.

It is an arithmetic number, because the mean of its divisors is an integer number (185148488148).

Almost surely, 2^{2243145144555} is an apocalyptic number.

2243145144555 is a deficient number, since it is larger than the sum of its proper divisors (2200418570997).

2243145144555 is a wasteful number, since it uses less digits than its factorization.

2243145144555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121095715 (or 7121095712 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 2243145144555 in words is "two trillion, two hundred forty-three billion, one hundred forty-five million, one hundred forty-four thousand, five hundred fifty-five".