45145521222 has 8 divisors (see below), whose sum is σ = 90291042456. Its totient is φ = 15048507072.

The previous prime is 45145521221. The next prime is 45145521229. The reversal of 45145521222 is 22212554154.

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

45145521222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145521221) 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 3 ways as a sum of consecutive naturals, for example, 3762126763 + ... + 3762126774.

It is an arithmetic number, because the mean of its divisors is an integer number (11286380307).

Almost surely, 2^45145521222 is an apocalyptic number.

45145521222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45145521222 is a wasteful number, since it uses less digits than its factorization.

45145521222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524253542.

The product of its digits is 32000, while the sum is 33.

The spelling of 45145521222 in words is "forty-five billion, one hundred forty-five million, five hundred twenty-one thousand, two hundred twenty-two".