43249146 has 16 divisors (see below), whose sum is σ = 86577984. Its totient is φ = 14403104.

The previous prime is 43249133. The next prime is 43249147. The reversal of 43249146 is 64194234.

It is not an unprimeable number, because it can be changed into a prime (43249147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5566 + ... + 10838.

It is an arithmetic number, because the mean of its divisors is an integer number (5411124).

Almost surely, 2^43249146 is an apocalyptic number.

43249146 is an abundant number, since it is smaller than the sum of its proper divisors (43328838).

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

43249146 is a wasteful number, since it uses less digits than its factorization.

43249146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6645.

The product of its digits is 20736, while the sum is 33.

The square root of 43249146 is about 6576.4082902448. The cubic root of 43249146 is about 351.0151372113.

The spelling of 43249146 in words is "forty-three million, two hundred forty-nine thousand, one hundred forty-six".