45043346166 has 128 divisors (see below), whose sum is σ = 117828587520. Its totient is φ = 11139766272.

The previous prime is 45043346137. The next prime is 45043346167. The reversal of 45043346166 is 66164334054.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45043346167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2562355 + ... + 2579873.

It is an arithmetic number, because the mean of its divisors is an integer number (920535840).

Almost surely, 2^45043346166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45043346166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58914293760).

45043346166 is an abundant number, since it is smaller than the sum of its proper divisors (72785241354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45043346166 is a wasteful number, since it uses less digits than its factorization.

45043346166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 45043346166 in words is "forty-five billion, forty-three million, three hundred forty-six thousand, one hundred sixty-six".