34442145 has 16 divisors (see below), whose sum is σ = 61230720. Its totient is φ = 18369072.

The previous prime is 34442143. The next prime is 34442159. The reversal of 34442145 is 54124443.

It is a happy number.

34442145 is a `hidden beast` number, since 3 + 444 + 214 + 5 = 666.

It is not a de Polignac number, because 34442145 - 2¹ = 34442143 is a prime.

It is a super-2 number, since 2×34442145² = 2372522704402050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34442143) 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 15 ways as a sum of consecutive naturals, for example, 127429 + ... + 127698.

It is an arithmetic number, because the mean of its divisors is an integer number (3826920).

Almost surely, 2^34442145 is an apocalyptic number.

It is an amenable number.

34442145 is a deficient number, since it is larger than the sum of its proper divisors (26788575).

34442145 is a wasteful number, since it uses less digits than its factorization.

34442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255141 (or 255135 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 34442145 is about 5868.7430511141. The cubic root of 34442145 is about 325.3594287787.

Adding to 34442145 its reverse (54124443), we get a palindrome (88566588).

The spelling of 34442145 in words is "thirty-four million, four hundred forty-two thousand, one hundred forty-five".