42510145 has 8 divisors (see below), whose sum is σ = 52657920. Its totient is φ = 32910960.

The previous prime is 42510133. The next prime is 42510197. The reversal of 42510145 is 54101524.

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

It is not a de Polignac number, because 42510145 - 2¹¹ = 42508097 is a prime.

It is a super-2 number, since 2×42510145² = 3614224855842050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136975 + ... + 137284.

It is an arithmetic number, because the mean of its divisors is an integer number (6582240).

Almost surely, 2^42510145 is an apocalyptic number.

It is an amenable number.

42510145 is a deficient number, since it is larger than the sum of its proper divisors (10147775).

42510145 is a wasteful number, since it uses less digits than its factorization.

42510145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274295.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42510145 is about 6519.9804447560. The cubic root of 42510145 is about 349.0043677256.

Adding to 42510145 its reverse (54101524), we get a palindrome (96611669).

The spelling of 42510145 in words is "forty-two million, five hundred ten thousand, one hundred forty-five".