43245648 has 30 divisors (see below), whose sum is σ = 121028154. Its totient is φ = 14415168.

The previous prime is 43245623. The next prime is 43245649. The reversal of 43245648 is 84654234.

43245648 is a `hidden beast` number, since 4 + 3 + 2 + 4 + 5 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21790224 + 21455424 = 4668^2 + 4632^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43245649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150015 + ... + 150302.

Almost surely, 2^43245648 is an apocalyptic number.

43245648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43245648 is an abundant number, since it is smaller than the sum of its proper divisors (77782506).

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

43245648 is a wasteful number, since it uses less digits than its factorization.

43245648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300331 (or 300322 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 43245648 is about 6576.1423342260. The cubic root of 43245648 is about 351.0056735635.

The spelling of 43245648 in words is "forty-three million, two hundred forty-five thousand, six hundred forty-eight".