45022164 has 72 divisors (see below), whose sum is σ = 116993184. Its totient is φ = 13464000.

The previous prime is 45022157. The next prime is 45022169. The reversal of 45022164 is 46122054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45022169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146499 + ... + 146805.

Almost surely, 2^45022164 is an apocalyptic number.

45022164 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45022164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58496592).

45022164 is an abundant number, since it is smaller than the sum of its proper divisors (71971020).

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

45022164 is a wasteful number, since it uses less digits than its factorization.

45022164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 45022164 is about 6709.8557361541. The cubic root of 45022164 is about 355.7477171481.

It can be divided in two parts, 4502 and 2164, that added together give a palindrome (6666).

The spelling of 45022164 in words is "forty-five million, twenty-two thousand, one hundred sixty-four".