42144113 has 8 divisors (see below), whose sum is σ = 46755360. Its totient is φ = 37662880.

The previous prime is 42144103. The next prime is 42144121. The reversal of 42144113 is 31144124.

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 42144113 - 2¹⁰ = 42143089 is a prime.

It is a super-2 number, since 2×42144113² = 3552252521113538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42144103) 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, 31820 + ... + 33117.

It is an arithmetic number, because the mean of its divisors is an integer number (5844420).

Almost surely, 2^42144113 is an apocalyptic number.

It is an amenable number.

42144113 is a deficient number, since it is larger than the sum of its proper divisors (4611247).

42144113 is a wasteful number, since it uses less digits than its factorization.

42144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65007.

The product of its digits is 384, while the sum is 20.

The square root of 42144113 is about 6491.8497364003. The cubic root of 42144113 is about 347.9997825559. Note that the first 3 decimals are identical.

Adding to 42144113 its reverse (31144124), we get a palindrome (73288237).

The spelling of 42144113 in words is "forty-two million, one hundred forty-four thousand, one hundred thirteen".