545115155443 has 32 divisors (see below), whose sum is σ = 618779450880. Its totient is φ = 477651271680.

The previous prime is 545115155411. The next prime is 545115155461. The reversal of 545115155443 is 344551511545.

It is a cyclic number.

It is not a de Polignac number, because 545115155443 - 2⁵ = 545115155411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545115155443.

It is not an unprimeable number, because it can be changed into a prime (545115155843) 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, 1578355 + ... + 1892467.

It is an arithmetic number, because the mean of its divisors is an integer number (19336857840).

Almost surely, 2^545115155443 is an apocalyptic number.

545115155443 is a deficient number, since it is larger than the sum of its proper divisors (73664295437).

545115155443 is a wasteful number, since it uses less digits than its factorization.

545115155443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314287.

The product of its digits is 600000, while the sum is 43.

Adding to 545115155443 its reverse (344551511545), we get a palindrome (889666666988).

The spelling of 545115155443 in words is "five hundred forty-five billion, one hundred fifteen million, one hundred fifty-five thousand, four hundred forty-three".