45133321645 has 8 divisors (see below), whose sum is σ = 54191429856. Its totient is φ = 36085694736.

The previous prime is 45133321621. The next prime is 45133321669. The reversal of 45133321645 is 54612333154.

45133321645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45133321621) and next prime (45133321669).

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 45133321645 - 2⁷ = 45133321517 is a prime.

It is a super-3 number, since 3×45133321645³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610847 + ... + 2628076.

It is an arithmetic number, because the mean of its divisors is an integer number (6773928732).

Almost surely, 2^45133321645 is an apocalyptic number.

It is an amenable number.

45133321645 is a deficient number, since it is larger than the sum of its proper divisors (9058108211).

45133321645 is a wasteful number, since it uses less digits than its factorization.

45133321645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240651.

The product of its digits is 129600, while the sum is 37.

Adding to 45133321645 its reverse (54612333154), we get a palindrome (99745654799).

The spelling of 45133321645 in words is "forty-five billion, one hundred thirty-three million, three hundred twenty-one thousand, six hundred forty-five".