545303442533 has 4 divisors (see below), whose sum is σ = 545572199340. Its totient is φ = 545034685728.

The previous prime is 545303442503. The next prime is 545303442571. The reversal of 545303442533 is 335244303545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335244303545 = 5 ⋅67048860709.

It can be written as a sum of positive squares in 2 ways, for example, as 515269859329 + 30033583204 = 717823^2 + 173302^2 .

It is a cyclic number.

It is not a de Polignac number, because 545303442533 - 2¹² = 545303438437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545303442503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134375360 + ... + 134379417.

It is an arithmetic number, because the mean of its divisors is an integer number (136393049835).

Almost surely, 2^545303442533 is an apocalyptic number.

It is an amenable number.

545303442533 is a deficient number, since it is larger than the sum of its proper divisors (268756807).

545303442533 is a wasteful number, since it uses less digits than its factorization.

545303442533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268756806.

The product of its (nonzero) digits is 1296000, while the sum is 41.

The spelling of 545303442533 in words is "five hundred forty-five billion, three hundred three million, four hundred forty-two thousand, five hundred thirty-three".