22350543151545 has 144 divisors (see below), whose sum is σ = 45428128201872. Its totient is φ = 10135588700160.

The previous prime is 22350543151483. The next prime is 22350543151571. The reversal of 22350543151545 is 54515134505322.

22350543151545 is a `hidden beast` number, since 2 + 2 + 3 + 5 + 0 + 54 + 3 + 1 + 51 + 545 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 481180843584 + 21869362307961 = 693672^2 + 4676469^2 .

It is not a de Polignac number, because 22350543151545 - 2³⁴ = 22333363282361 is a prime.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22350543151545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 150150055 + ... + 150298835.

It is an arithmetic number, because the mean of its divisors is an integer number (315473112513).

Almost surely, 2^{22350543151545} is an apocalyptic number.

It is an amenable number.

22350543151545 is an abundant number, since it is smaller than the sum of its proper divisors (23077585050327).

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

22350543151545 is a wasteful number, since it uses less digits than its factorization.

22350543151545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149352 (or 149342 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

Adding to 22350543151545 its reverse (54515134505322), we get a palindrome (76865677656867).

The spelling of 22350543151545 in words is "twenty-two trillion, three hundred fifty billion, five hundred forty-three million, one hundred fifty-one thousand, five hundred forty-five".