45645424 has 40 divisors (see below), whose sum is σ = 96993792. Its totient is φ = 20637120.

The previous prime is 45645407. The next prime is 45645427. The reversal of 45645424 is 42454654.

It is a self number, because there is not a number n which added to its sum of digits gives 45645424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45645427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38667 + ... + 39829.

Almost surely, 2^45645424 is an apocalyptic number.

45645424 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 45645424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48496896).

45645424 is an abundant number, since it is smaller than the sum of its proper divisors (51348368).

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

45645424 is a wasteful number, since it uses less digits than its factorization.

45645424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1399 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 45645424 is about 6756.1397262046. The cubic root of 45645424 is about 357.3817862690.

The spelling of 45645424 in words is "forty-five million, six hundred forty-five thousand, four hundred twenty-four".