545241432021155 has 64 divisors (see below), whose sum is σ = 692381133176832. Its totient is φ = 411575234987520.

The previous prime is 545241432021133. The next prime is 545241432021193. The reversal of 545241432021155 is 551120234142545.

It is not a de Polignac number, because 545241432021155 - 2⁸ = 545241432020899 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12848234597 + ... + 12848277033.

It is an arithmetic number, because the mean of its divisors is an integer number (10818455205888).

Almost surely, 2^{545241432021155} is an apocalyptic number.

545241432021155 is a deficient number, since it is larger than the sum of its proper divisors (147139701155677).

545241432021155 is a wasteful number, since it uses less digits than its factorization.

545241432021155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49164.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 545241432021155 in words is "five hundred forty-five trillion, two hundred forty-one billion, four hundred thirty-two million, twenty-one thousand, one hundred fifty-five".