42152115 has 16 divisors (see below), whose sum is σ = 68076288. Its totient is φ = 22270176.

The previous prime is 42152111. The next prime is 42152147. The reversal of 42152115 is 51125124.

It is not a de Polignac number, because 42152115 - 2² = 42152111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42152091 and 42152100.

It is not an unprimeable number, because it can be changed into a prime (42152111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11527 + ... + 14736.

It is an arithmetic number, because the mean of its divisors is an integer number (4254768).

Almost surely, 2^42152115 is an apocalyptic number.

42152115 is a deficient number, since it is larger than the sum of its proper divisors (25924173).

42152115 is a wasteful number, since it uses less digits than its factorization.

42152115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378.

The product of its digits is 400, while the sum is 21.

The square root of 42152115 is about 6492.4660183939. The cubic root of 42152115 is about 348.0218063360.

Adding to 42152115 its reverse (51125124), we get a palindrome (93277239).

The spelling of 42152115 in words is "forty-two million, one hundred fifty-two thousand, one hundred fifteen".