42415161 has 16 divisors (see below), whose sum is σ = 58748928. Its totient is φ = 27190800.

The previous prime is 42415147. The next prime is 42415181. The reversal of 42415161 is 16151424.

It is a happy number.

It is not a de Polignac number, because 42415161 - 2⁵ = 42415129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42415111) 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, 14166 + ... + 16896.

It is an arithmetic number, because the mean of its divisors is an integer number (3671808).

Almost surely, 2^42415161 is an apocalyptic number.

It is an amenable number.

42415161 is a deficient number, since it is larger than the sum of its proper divisors (16333767).

42415161 is a wasteful number, since it uses less digits than its factorization.

42415161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its digits is 960, while the sum is 24.

The square root of 42415161 is about 6512.6923004238. The cubic root of 42415161 is about 348.7442372604.

Adding to 42415161 its reverse (16151424), we get a palindrome (58566585).

The spelling of 42415161 in words is "forty-two million, four hundred fifteen thousand, one hundred sixty-one".