45423894054 has 128 divisors (see below), whose sum is σ = 121660416000. Its totient is φ = 11177339040.

The previous prime is 45423894049. The next prime is 45423894059. The reversal of 45423894054 is 45049832454.

It is an interprime number because it is at equal distance from previous prime (45423894049) and next prime (45423894059).

It is a junction number, because it is equal to n+sod(n) for n = 45423893994 and 45423894012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45423894059) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 377319 + ... + 482925.

It is an arithmetic number, because the mean of its divisors is an integer number (950472000).

Almost surely, 2^45423894054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45423894054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60830208000).

45423894054 is an abundant number, since it is smaller than the sum of its proper divisors (76236521946).

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

45423894054 is a wasteful number, since it uses less digits than its factorization.

45423894054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105663 (or 105649 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 45423894054 in words is "forty-five billion, four hundred twenty-three million, eight hundred ninety-four thousand, fifty-four".