45244624 has 40 divisors (see below), whose sum is σ = 95271680. Its totient is φ = 20736000.

The previous prime is 45244621. The next prime is 45244627. The reversal of 45244624 is 42644254.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45244621) and next prime (45244627).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244621) 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, 7024 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (2381792).

Almost surely, 2^45244624 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 45244624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47635840).

45244624 is an abundant number, since it is smaller than the sum of its proper divisors (50027056).

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

45244624 is a wasteful number, since it uses less digits than its factorization.

45244624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4859 (or 4853 counting only the distinct ones).

The product of its digits is 30720, while the sum is 31.

The square root of 45244624 is about 6726.4124167345. The cubic root of 45244624 is about 356.3326856805.

Adding to 45244624 its reverse (42644254), we get a palindrome (87888878).

The spelling of 45244624 in words is "forty-five million, two hundred forty-four thousand, six hundred twenty-four".