42643115 has 8 divisors (see below), whose sum is σ = 51540720. Its totient is φ = 33868512.

The previous prime is 42643099. The next prime is 42643141. The reversal of 42643115 is 51134624.

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

It is a cyclic number.

It is not a de Polignac number, because 42643115 - 2⁴ = 42643099 is a prime.

It is a plaindrome in base 12.

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, 29984 + ... + 31373.

It is an arithmetic number, because the mean of its divisors is an integer number (6442590).

Almost surely, 2^42643115 is an apocalyptic number.

42643115 is a deficient number, since it is larger than the sum of its proper divisors (8897605).

42643115 is a wasteful number, since it uses less digits than its factorization.

42643115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61501.

The product of its digits is 2880, while the sum is 26.

The square root of 42643115 is about 6530.1695996352. The cubic root of 42643115 is about 349.3678794486.

Adding to 42643115 its reverse (51134624), we get a palindrome (93777739).

The spelling of 42643115 in words is "forty-two million, six hundred forty-three thousand, one hundred fifteen".