42110155 has 8 divisors (see below), whose sum is σ = 50574384. Its totient is φ = 33660000.

The previous prime is 42110153. The next prime is 42110161. The reversal of 42110155 is 55101124.

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

It is not a de Polignac number, because 42110155 - 2¹ = 42110153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42110153) by changing a digit.

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, 4905 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (6321798).

Almost surely, 2^42110155 is an apocalyptic number.

42110155 is a deficient number, since it is larger than the sum of its proper divisors (8464229).

42110155 is a wasteful number, since it uses less digits than its factorization.

42110155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 42110155 is about 6489.2337760324. The cubic root of 42110155 is about 347.9062894503.

Adding to 42110155 its reverse (55101124), we get a palindrome (97211279).

The spelling of 42110155 in words is "forty-two million, one hundred ten thousand, one hundred fifty-five".