45218210091 has 8 divisors (see below), whose sum is σ = 60301893120. Its totient is φ = 30140000232.

The previous prime is 45218210077. The next prime is 45218210123. The reversal of 45218210091 is 19001281254.

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

It is not a de Polignac number, because 45218210091 - 2⁶ = 45218210027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45218210041) 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 7 ways as a sum of consecutive naturals, for example, 1348975 + ... + 1382088.

It is an arithmetic number, because the mean of its divisors is an integer number (7537736640).

Almost surely, 2^45218210091 is an apocalyptic number.

45218210091 is a deficient number, since it is larger than the sum of its proper divisors (15083683029).

45218210091 is a wasteful number, since it uses less digits than its factorization.

45218210091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736585.

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 45218210091 in words is "forty-five billion, two hundred eighteen million, two hundred ten thousand, ninety-one".