545045135405 has 16 divisors (see below), whose sum is σ = 661622223600. Its totient is φ = 430993981440.

The previous prime is 545045135377. The next prime is 545045135441. The reversal of 545045135405 is 504531540545.

It can be written as a sum of positive squares in 8 ways, for example, as 13191441316 + 531853694089 = 114854^2 + 729283^2 .

It is a de Polignac number, because none of the positive numbers 2^k-545045135405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151861 + ... + 1554629.

It is an arithmetic number, because the mean of its divisors is an integer number (41351388975).

Almost surely, 2^545045135405 is an apocalyptic number.

It is an amenable number.

545045135405 is a deficient number, since it is larger than the sum of its proper divisors (116577088195).

545045135405 is a wasteful number, since it uses less digits than its factorization.

545045135405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405904.

The product of its (nonzero) digits is 600000, while the sum is 41.

The spelling of 545045135405 in words is "five hundred forty-five billion, forty-five million, one hundred thirty-five thousand, four hundred five".