42255155 has 8 divisors (see below), whose sum is σ = 50934912. Its totient is φ = 33651648.

The previous prime is 42255131. The next prime is 42255181. The reversal of 42255155 is 55155224.

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 42255155 - 2⁸ = 42254899 is a prime.

It is a Duffinian number.

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, 17834 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (6366864).

Almost surely, 2^42255155 is an apocalyptic number.

42255155 is a deficient number, since it is larger than the sum of its proper divisors (8679757).

42255155 is a wasteful number, since it uses less digits than its factorization.

42255155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38125.

The product of its digits is 10000, while the sum is 29.

The square root of 42255155 is about 6500.3965263667. The cubic root of 42255155 is about 348.3051530255.

The spelling of 42255155 in words is "forty-two million, two hundred fifty-five thousand, one hundred fifty-five".