42241155 has 32 divisors (see below), whose sum is σ = 74850048. Its totient is φ = 20169600.

The previous prime is 42241153. The next prime is 42241163. The reversal of 42241155 is 55114224.

It is not a de Polignac number, because 42241155 - 2¹ = 42241153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42241151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9145 + ... + 12965.

It is an arithmetic number, because the mean of its divisors is an integer number (2339064).

Almost surely, 2^42241155 is an apocalyptic number.

42241155 is a deficient number, since it is larger than the sum of its proper divisors (32608893).

42241155 is a wasteful number, since it uses less digits than its factorization.

42241155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its digits is 1600, while the sum is 24.

The square root of 42241155 is about 6499.3195797714. The cubic root of 42241155 is about 348.2666818948.

Adding to 42241155 its reverse (55114224), we get a palindrome (97355379).

The spelling of 42241155 in words is "forty-two million, two hundred forty-one thousand, one hundred fifty-five".