45054522 has 48 divisors (see below), whose sum is σ = 106393920. Its totient is φ = 14129856.

The previous prime is 45054521. The next prime is 45054523. The reversal of 45054522 is 22545054.

It is an interprime number because it is at equal distance from previous prime (45054521) and next prime (45054523).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45054521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14163 + ... + 17049.

It is an arithmetic number, because the mean of its divisors is an integer number (2216540).

Almost surely, 2^45054522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45054522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53196960).

45054522 is an abundant number, since it is smaller than the sum of its proper divisors (61339398).

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

45054522 is a wasteful number, since it uses less digits than its factorization.

45054522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2909 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45054522 is about 6712.2665322527. The cubic root of 45054522 is about 355.8329235364.

Adding to 45054522 its reverse (22545054), we get a palindrome (67599576).

The spelling of 45054522 in words is "forty-five million, fifty-four thousand, five hundred twenty-two".