45161020385279 has 4 divisors (see below), whose sum is σ = 45164189371560. Its totient is φ = 45157851399000.

The previous prime is 45161020385251. The next prime is 45161020385329. The reversal of 45161020385279 is 97258302016154.

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

It is a cyclic number.

It is not a de Polignac number, because 45161020385279 - 2¹⁶ = 45161020319743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45161020385279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45161020385179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1584471764 + ... + 1584500265.

It is an arithmetic number, because the mean of its divisors is an integer number (11291047342890).

It is a 1-persistent number, because it is pandigital, but 2⋅45161020385279 = 90322040770558 is not.

Almost surely, 2^{45161020385279} is an apocalyptic number.

45161020385279 is a deficient number, since it is larger than the sum of its proper divisors (3168986281).

45161020385279 is a wasteful number, since it uses less digits than its factorization.

45161020385279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168986280.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 45161020385279 in words is "forty-five trillion, one hundred sixty-one billion, twenty million, three hundred eighty-five thousand, two hundred seventy-nine".