42145175 has 12 divisors (see below), whose sum is σ = 53147640. Its totient is φ = 33143520.

The previous prime is 42145153. The next prime is 42145241. The reversal of 42145175 is 57154124.

It is not a de Polignac number, because 42145175 - 2¹⁴ = 42128791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12812 + ... + 15761.

It is an arithmetic number, because the mean of its divisors is an integer number (4428970).

Almost surely, 2^42145175 is an apocalyptic number.

42145175 is a deficient number, since it is larger than the sum of its proper divisors (11002465).

42145175 is a wasteful number, since it uses less digits than its factorization.

42145175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28642 (or 28637 counting only the distinct ones).

The product of its digits is 5600, while the sum is 29.

The square root of 42145175 is about 6491.9315307542. The cubic root of 42145175 is about 348.0027056424.

Adding to 42145175 its reverse (57154124), we get a palindrome (99299299).

The spelling of 42145175 in words is "forty-two million, one hundred forty-five thousand, one hundred seventy-five".