42149275 has 12 divisors (see below), whose sum is σ = 59731792. Its totient is φ = 28902240.

The previous prime is 42149227. The next prime is 42149287. The reversal of 42149275 is 57294124.

It is not a de Polignac number, because 42149275 - 2¹¹ = 42147227 is a prime.

It is a super-2 number, since 2×42149275² = 3553122766051250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42149275.

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, 120252 + ... + 120601.

Almost surely, 2^42149275 is an apocalyptic number.

42149275 is a deficient number, since it is larger than the sum of its proper divisors (17582517).

42149275 is a wasteful number, since it uses less digits than its factorization.

42149275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240870 (or 240865 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 42149275 is about 6492.2472996644. The cubic root of 42149275 is about 348.0139901673.

It can be divided in two parts, 42149 and 275, that added together give a palindrome (42424).

The spelling of 42149275 in words is "forty-two million, one hundred forty-nine thousand, two hundred seventy-five".