45150421520213 has 4 divisors (see below), whose sum is σ = 45150445156620. Its totient is φ = 45150397883808.

The previous prime is 45150421520209. The next prime is 45150421520263. The reversal of 45150421520213 is 31202512405154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32295772945969 + 12854648574244 = 5682937^2 + 3585338^2 .

It is a cyclic number.

It is not a de Polignac number, because 45150421520213 - 2² = 45150421520209 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 (45150421520203) 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, 8674070 + ... + 12866247.

It is an arithmetic number, because the mean of its divisors is an integer number (11287611289155).

Almost surely, 2^{45150421520213} is an apocalyptic number.

It is an amenable number.

45150421520213 is a deficient number, since it is larger than the sum of its proper divisors (23636407).

45150421520213 is a wasteful number, since it uses less digits than its factorization.

45150421520213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23636406.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 45150421520213 its reverse (31202512405154), we get a palindrome (76352933925367).

The spelling of 45150421520213 in words is "forty-five trillion, one hundred fifty billion, four hundred twenty-one million, five hundred twenty thousand, two hundred thirteen".