43340145 has 8 divisors (see below), whose sum is σ = 69344256. Its totient is φ = 23114736.

The previous prime is 43340113. The next prime is 43340153. The reversal of 43340145 is 54104334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43340145 - 2⁵ = 43340113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444657 + ... + 1444686.

It is an arithmetic number, because the mean of its divisors is an integer number (8668032).

Almost surely, 2^43340145 is an apocalyptic number.

It is an amenable number.

43340145 is a deficient number, since it is larger than the sum of its proper divisors (26004111).

43340145 is a wasteful number, since it uses less digits than its factorization.

43340145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889351.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 43340145 is about 6583.3232489374. The cubic root of 43340145 is about 351.2611509316.

Adding to 43340145 its reverse (54104334), we get a palindrome (97444479).

The spelling of 43340145 in words is "forty-three million, three hundred forty thousand, one hundred forty-five".