45728194165 has 8 divisors (see below), whose sum is σ = 57259651968. Its totient is φ = 34992009360.

The previous prime is 45728194151. The next prime is 45728194177. The reversal of 45728194165 is 56149182754.

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

It is not a de Polignac number, because 45728194165 - 2⁵ = 45728194133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198818121 + ... + 198818350.

It is an arithmetic number, because the mean of its divisors is an integer number (7157456496).

Almost surely, 2^45728194165 is an apocalyptic number.

It is an amenable number.

45728194165 is a deficient number, since it is larger than the sum of its proper divisors (11531457803).

45728194165 is a wasteful number, since it uses less digits than its factorization.

45728194165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397636499.

The product of its digits is 2419200, while the sum is 52.

The spelling of 45728194165 in words is "forty-five billion, seven hundred twenty-eight million, one hundred ninety-four thousand, one hundred sixty-five".