42634145 has 8 divisors (see below), whose sum is σ = 52811520. Its totient is φ = 33006960.

The previous prime is 42634139. The next prime is 42634153. The reversal of 42634145 is 54143624.

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

It is not a de Polignac number, because 42634145 - 2¹⁶ = 42568609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137375 + ... + 137684.

It is an arithmetic number, because the mean of its divisors is an integer number (6601440).

Almost surely, 2^42634145 is an apocalyptic number.

It is an amenable number.

42634145 is a deficient number, since it is larger than the sum of its proper divisors (10177375).

42634145 is a wasteful number, since it uses less digits than its factorization.

42634145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275095.

The product of its digits is 11520, while the sum is 29.

The square root of 42634145 is about 6529.4827513364. The cubic root of 42634145 is about 349.3433811630.

Adding to 42634145 its reverse (54143624), we get a palindrome (96777769).

The spelling of 42634145 in words is "forty-two million, six hundred thirty-four thousand, one hundred forty-five".