42181153 has 8 divisors (see below), whose sum is σ = 48396672. Its totient is φ = 36013056.

The previous prime is 42181141. The next prime is 42181157. The reversal of 42181153 is 35118124.

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

It is a cyclic number.

It is not a de Polignac number, because 42181153 - 2²¹ = 40084001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42181157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9925 + ... + 13522.

It is an arithmetic number, because the mean of its divisors is an integer number (6049584).

Almost surely, 2^42181153 is an apocalyptic number.

It is an amenable number.

42181153 is a deficient number, since it is larger than the sum of its proper divisors (6215519).

42181153 is a wasteful number, since it uses less digits than its factorization.

42181153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711.

The product of its digits is 960, while the sum is 25.

The square root of 42181153 is about 6494.7019177172. The cubic root of 42181153 is about 348.1017037702.

Adding to 42181153 its reverse (35118124), we get a palindrome (77299277).

The spelling of 42181153 in words is "forty-two million, one hundred eighty-one thousand, one hundred fifty-three".