42152015 has 8 divisors (see below), whose sum is σ = 50679168. Its totient is φ = 33657120.

The previous prime is 42151999. The next prime is 42152017. The reversal of 42152015 is 51025124.

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

It is not a de Polignac number, because 42152015 - 2⁴ = 42151999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42152017) 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 7 ways as a sum of consecutive naturals, for example, 5087 + ... + 10496.

It is an arithmetic number, because the mean of its divisors is an integer number (6334896).

Almost surely, 2^42152015 is an apocalyptic number.

42152015 is a deficient number, since it is larger than the sum of its proper divisors (8527153).

42152015 is a wasteful number, since it uses less digits than its factorization.

42152015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 42152015 is about 6492.4583171554. The cubic root of 42152015 is about 348.0215311248.

Adding to 42152015 its reverse (51025124), we get a palindrome (93177139).

The spelling of 42152015 in words is "forty-two million, one hundred fifty-two thousand, fifteen".