545405412145 has 12 divisors (see below), whose sum is σ = 719394246900. Its totient is φ = 396658481120.

The previous prime is 545405412143. The next prime is 545405412157. The reversal of 545405412145 is 541214504545.

It can be written as a sum of positive squares in 2 ways, for example, as 250313097969 + 295092314176 = 500313^2 + 543224^2 .

It is not a de Polignac number, because 545405412145 - 2¹ = 545405412143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545405412098 and 545405412107.

It is not an unprimeable number, because it can be changed into a prime (545405412143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450747670 + ... + 450748879.

It is an arithmetic number, because the mean of its divisors is an integer number (59949520575).

Almost surely, 2^545405412145 is an apocalyptic number.

545405412145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545405412145 is a deficient number, since it is larger than the sum of its proper divisors (173988834755).

545405412145 is a wasteful number, since it uses less digits than its factorization.

545405412145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901496576 (or 901496565 counting only the distinct ones).

The product of its (nonzero) digits is 320000, while the sum is 40.

The spelling of 545405412145 in words is "five hundred forty-five billion, four hundred five million, four hundred twelve thousand, one hundred forty-five".