43445049 has 16 divisors (see below), whose sum is σ = 59013120. Its totient is φ = 28425600.

The previous prime is 43445041. The next prime is 43445053. The reversal of 43445049 is 94054434.

It is not a de Polignac number, because 43445049 - 2³ = 43445041 is a prime.

It is a super-2 number, since 2×43445049² = 3774944565224802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43445041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37917 + ... + 39045.

It is an arithmetic number, because the mean of its divisors is an integer number (3688320).

Almost surely, 2^43445049 is an apocalyptic number.

It is an amenable number.

43445049 is a deficient number, since it is larger than the sum of its proper divisors (15568071).

43445049 is a wasteful number, since it uses less digits than its factorization.

43445049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 43445049 is about 6591.2858381351. The cubic root of 43445049 is about 351.5443295656.

The spelling of 43445049 in words is "forty-three million, four hundred forty-five thousand, forty-nine".