45427424 has 48 divisors (see below), whose sum is σ = 103017600. Its totient is φ = 19315584.

The previous prime is 45427397. The next prime is 45427471. The reversal of 45427424 is 42472454.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30407 + ... + 31865.

It is an arithmetic number, because the mean of its divisors is an integer number (2146200).

Almost surely, 2^45427424 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 45427424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51508800).

45427424 is an abundant number, since it is smaller than the sum of its proper divisors (57590176).

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

45427424 is a wasteful number, since it uses less digits than its factorization.

45427424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1607 counting only the distinct ones).

The product of its digits is 35840, while the sum is 32.

The square root of 45427424 is about 6739.9869436075. The cubic root of 45427424 is about 356.8119329463.

Adding to 45427424 its reverse (42472454), we get a palindrome (87899878).

The spelling of 45427424 in words is "forty-five million, four hundred twenty-seven thousand, four hundred twenty-four".