34402145 has 4 divisors (see below), whose sum is σ = 41282580. Its totient is φ = 27521712.

The previous prime is 34402139. The next prime is 34402153. The reversal of 34402145 is 54120443.

34402145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21492496 + 12909649 = 4636^2 + 3593^2 .

It is a cyclic number.

It is not a de Polignac number, because 34402145 - 2¹⁰ = 34401121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34402145.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3440210 + ... + 3440219.

It is an arithmetic number, because the mean of its divisors is an integer number (10320645).

Almost surely, 2^34402145 is an apocalyptic number.

It is an amenable number.

34402145 is a deficient number, since it is larger than the sum of its proper divisors (6880435).

34402145 is an equidigital number, since it uses as much as digits as its factorization.

34402145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880434.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 34402145 is about 5865.3341763279. The cubic root of 34402145 is about 325.2334259938.

Adding to 34402145 its reverse (54120443), we get a palindrome (88522588).

The spelling of 34402145 in words is "thirty-four million, four hundred two thousand, one hundred forty-five".