45644526 has 32 divisors (see below), whose sum is σ = 102448800. Its totient is φ = 15062400.

The previous prime is 45644519. The next prime is 45644527. The reversal of 45644526 is 62544654.

45644526 is a `hidden beast` number, since 4 + 5 + 644 + 5 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45644527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1270 + ... + 9638.

It is an arithmetic number, because the mean of its divisors is an integer number (3201525).

Almost surely, 2^45644526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45644526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51224400).

45644526 is an abundant number, since it is smaller than the sum of its proper divisors (56804274).

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

45644526 is a wasteful number, since it uses less digits than its factorization.

45644526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8481 (or 8475 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 45644526 is about 6756.0732678087. The cubic root of 45644526 is about 357.3794426171.

The spelling of 45644526 in words is "forty-five million, six hundred forty-four thousand, five hundred twenty-six".