43421152 has 12 divisors (see below), whose sum is σ = 85485456. Its totient is φ = 21710560.

The previous prime is 43421143. The next prime is 43421167. The reversal of 43421152 is 25112434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678424 + ... + 678487.

It is an arithmetic number, because the mean of its divisors is an integer number (7123788).

Almost surely, 2^43421152 is an apocalyptic number.

It is an amenable number.

43421152 is a deficient number, since it is larger than the sum of its proper divisors (42064304).

43421152 is a wasteful number, since it uses less digits than its factorization.

43421152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356921 (or 1356913 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 43421152 is about 6589.4728165461. The cubic root of 43421152 is about 351.4798619541.

Adding to 43421152 its reverse (25112434), we get a palindrome (68533586).

The spelling of 43421152 in words is "forty-three million, four hundred twenty-one thousand, one hundred fifty-two".