34442155 has 32 divisors (see below), whose sum is σ = 49559040. Its totient is φ = 22682880.

The previous prime is 34442143. The next prime is 34442159. The reversal of 34442155 is 55124443.

34442155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-34442155 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34442159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23319 + ... + 24751.

It is an arithmetic number, because the mean of its divisors is an integer number (1548720).

Almost surely, 2^34442155 is an apocalyptic number.

34442155 is a deficient number, since it is larger than the sum of its proper divisors (15116885).

34442155 is a wasteful number, since it uses less digits than its factorization.

34442155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491.

The product of its digits is 9600, while the sum is 28.

The square root of 34442155 is about 5868.7439030852. The cubic root of 34442155 is about 325.3594602672.

Adding to 34442155 its reverse (55124443), we get a palindrome (89566598).

The spelling of 34442155 in words is "thirty-four million, four hundred forty-two thousand, one hundred fifty-five".