45217249982 has 4 divisors (see below), whose sum is σ = 67825874976. Its totient is φ = 22608624990.

The previous prime is 45217249967. The next prime is 45217250009. The reversal of 45217249982 is 28994271254.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11304312494 + ... + 11304312497.

It is an arithmetic number, because the mean of its divisors is an integer number (16956468744).

Almost surely, 2^45217249982 is an apocalyptic number.

45217249982 is a deficient number, since it is larger than the sum of its proper divisors (22608624994).

45217249982 is a wasteful number, since it uses less digits than its factorization.

45217249982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22608624993.

The product of its digits is 2903040, while the sum is 53.

The spelling of 45217249982 in words is "forty-five billion, two hundred seventeen million, two hundred forty-nine thousand, nine hundred eighty-two".