45203453217 has 32 divisors (see below), whose sum is σ = 72140880000. Its totient is φ = 27809251776.

The previous prime is 45203453159. The next prime is 45203453219. The reversal of 45203453217 is 71235430254.

It is not a de Polignac number, because 45203453217 - 2⁷ = 45203453089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45203453219) 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 31 ways as a sum of consecutive naturals, for example, 1293034 + ... + 1327532.

It is an arithmetic number, because the mean of its divisors is an integer number (2254402500).

Almost surely, 2^45203453217 is an apocalyptic number.

It is an amenable number.

45203453217 is a deficient number, since it is larger than the sum of its proper divisors (26937426783).

45203453217 is a wasteful number, since it uses less digits than its factorization.

45203453217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38254 (or 38248 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 45203453217 in words is "forty-five billion, two hundred three million, four hundred fifty-three thousand, two hundred seventeen".