45255020542321 has 16 divisors (see below), whose sum is σ = 46195788436560. Its totient is φ = 44320868167680.

The previous prime is 45255020542309. The next prime is 45255020542427. The reversal of 45255020542321 is 12324502055254.

It can be written as a sum of positive squares in 8 ways, for example, as 14677051372096 + 30577969170225 = 3831064^2 + 5529735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45255020542321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45255020542021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26357505 + ... + 28021921.

It is an arithmetic number, because the mean of its divisors is an integer number (2887236777285).

Almost surely, 2^{45255020542321} is an apocalyptic number.

It is an amenable number.

45255020542321 is a deficient number, since it is larger than the sum of its proper divisors (940767894239).

45255020542321 is a wasteful number, since it uses less digits than its factorization.

45255020542321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666404.

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 45255020542321 its reverse (12324502055254), we get a palindrome (57579522597575).

The spelling of 45255020542321 in words is "forty-five trillion, two hundred fifty-five billion, twenty million, five hundred forty-two thousand, three hundred twenty-one".