42113155 has 8 divisors (see below), whose sum is σ = 57755232. Its totient is φ = 28877568.

The previous prime is 42113143. The next prime is 42113173. The reversal of 42113155 is 55131124.

It is a happy number.

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 42113155 - 2⁹ = 42112643 is a prime.

It is a Duffinian number.

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, 601582 + ... + 601651.

It is an arithmetic number, because the mean of its divisors is an integer number (7219404).

Almost surely, 2^42113155 is an apocalyptic number.

42113155 is a deficient number, since it is larger than the sum of its proper divisors (15642077).

42113155 is a wasteful number, since it uses less digits than its factorization.

42113155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203245.

The product of its digits is 600, while the sum is 22.

The square root of 42113155 is about 6489.4649240134. The cubic root of 42113155 is about 347.9145510686.

Adding to 42113155 its reverse (55131124), we get a palindrome (97244279).

The spelling of 42113155 in words is "forty-two million, one hundred thirteen thousand, one hundred fifty-five".