42146115 has 32 divisors (see below), whose sum is σ = 74207232. Its totient is φ = 20424800.

The previous prime is 42146107. The next prime is 42146129. The reversal of 42146115 is 51164124.

It is a happy number.

It is not a de Polignac number, because 42146115 - 2³ = 42146107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18910 + ... + 21020.

It is an arithmetic number, because the mean of its divisors is an integer number (2318976).

Almost surely, 2^42146115 is an apocalyptic number.

42146115 is a deficient number, since it is larger than the sum of its proper divisors (32061117).

42146115 is a wasteful number, since it uses less digits than its factorization.

42146115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2130 counting only the distinct ones).

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

The square root of 42146115 is about 6492.0039279101. The cubic root of 42146115 is about 348.0052928908.

Subtracting 42146115 from its reverse (51164124), we obtain a square (9018009 = 3003²).

The spelling of 42146115 in words is "forty-two million, one hundred forty-six thousand, one hundred fifteen".