545223442501455 has 64 divisors (see below), whose sum is σ = 885752626429440. Its totient is φ = 286355131200000.

The previous prime is 545223442501421. The next prime is 545223442501459. The reversal of 545223442501455 is 554105244322545.

It is not a de Polignac number, because 545223442501455 - 2¹⁰ = 545223442500431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545223442501398 and 545223442501407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545223442501459) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268596744 + ... + 270619026.

It is an arithmetic number, because the mean of its divisors is an integer number (13839884787960).

Almost surely, 2^{545223442501455} is an apocalyptic number.

545223442501455 is a deficient number, since it is larger than the sum of its proper divisors (340529183927985).

545223442501455 is a wasteful number, since it uses less digits than its factorization.

545223442501455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023352.

The product of its (nonzero) digits is 19200000, while the sum is 51.

The spelling of 545223442501455 in words is "five hundred forty-five trillion, two hundred twenty-three billion, four hundred forty-two million, five hundred one thousand, four hundred fifty-five".