43245552 has 160 divisors (see below), whose sum is σ = 138419712. Its totient is φ = 11354112.

The previous prime is 43245551. The next prime is 43245581. The reversal of 43245552 is 25554234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382648 + ... + 382760.

Almost surely, 2^43245552 is an apocalyptic number.

43245552 is a gapful number since it is divisible by the number (42) 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 43245552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69209856).

43245552 is an abundant number, since it is smaller than the sum of its proper divisors (95174160).

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

43245552 is a wasteful number, since it uses less digits than its factorization.

43245552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 209 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 43245552 is about 6576.1350351099. The cubic root of 43245552 is about 351.0054138336.

Adding to 43245552 its reverse (25554234), we get a palindrome (68799786).

The spelling of 43245552 in words is "forty-three million, two hundred forty-five thousand, five hundred fifty-two".