145416505543 has 4 divisors (see below), whose sum is σ = 145643365008. Its totient is φ = 145189646080.

The previous prime is 145416505537. The next prime is 145416505607. The reversal of 145416505543 is 345505614541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345505614541 = 269 ⋅1284407489.

It is a cyclic number.

It is not a de Polignac number, because 145416505543 - 2³⁷ = 7977552071 is a prime.

It is a super-2 number, since 2×145416505543² (a number of 23 digits) contains 22 as substring.

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 145416505543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145416505523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 113428771 + ... + 113430052.

It is an arithmetic number, because the mean of its divisors is an integer number (36410841252).

Almost surely, 2^145416505543 is an apocalyptic number.

145416505543 is a deficient number, since it is larger than the sum of its proper divisors (226859465).

145416505543 is an equidigital number, since it uses as much as digits as its factorization.

145416505543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226859464.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 145416505543 in words is "one hundred forty-five billion, four hundred sixteen million, five hundred five thousand, five hundred forty-three".