45454528 has 56 divisors (see below), whose sum is σ = 103757984. Its totient is φ = 19353600.

The previous prime is 45454523. The next prime is 45454531. The reversal of 45454528 is 82545454.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×45454528² = 4132228231405568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45454523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107758 + ... + 108178.

Almost surely, 2^45454528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45454528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51878992).

45454528 is an abundant number, since it is smaller than the sum of its proper divisors (58303456).

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

45454528 is a wasteful number, since it uses less digits than its factorization.

45454528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 671 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

The square root of 45454528 is about 6741.9973301686. The cubic root of 45454528 is about 356.8828820708.

The spelling of 45454528 in words is "forty-five million, four hundred fifty-four thousand, five hundred twenty-eight".