45451242533 has 8 divisors (see below), whose sum is σ = 45588588696. Its totient is φ = 45313945600.

The previous prime is 45451242527. The next prime is 45451242581. The reversal of 45451242533 is 33524215454.

It can be written as a sum of positive squares in 4 ways, for example, as 244828609 + 45206413924 = 15647^2 + 212618^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45451242533 - 2¹⁶ = 45451176997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45451242523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759663 + ... + 2776083.

It is an arithmetic number, because the mean of its divisors is an integer number (5698573587).

Almost surely, 2^45451242533 is an apocalyptic number.

It is an amenable number.

45451242533 is a deficient number, since it is larger than the sum of its proper divisors (137346163).

45451242533 is a wasteful number, since it uses less digits than its factorization.

45451242533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24615.

The product of its digits is 288000, while the sum is 38.

Adding to 45451242533 its reverse (33524215454), we get a palindrome (78975457987).

The spelling of 45451242533 in words is "forty-five billion, four hundred fifty-one million, two hundred forty-two thousand, five hundred thirty-three".