545431354646 has 32 divisors (see below), whose sum is σ = 825277759488. Its totient is φ = 270351306720.

The previous prime is 545431354639. The next prime is 545431354649. The reversal of 545431354646 is 646453134545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545431354594 and 545431354603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545431354649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152225771 + ... + 152229353.

It is an arithmetic number, because the mean of its divisors is an integer number (25789929984).

Almost surely, 2^545431354646 is an apocalyptic number.

545431354646 is a deficient number, since it is larger than the sum of its proper divisors (279846404842).

545431354646 is a wasteful number, since it uses less digits than its factorization.

545431354646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156.

The product of its digits is 10368000, while the sum is 50.

The spelling of 545431354646 in words is "five hundred forty-five billion, four hundred thirty-one million, three hundred fifty-four thousand, six hundred forty-six".