29323145 has 4 divisors (see below), whose sum is σ = 35187780. Its totient is φ = 23458512.

The previous prime is 29323123. The next prime is 29323163. The reversal of 29323145 is 54132392.

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 15155449 + 14167696 = 3893^2 + 3764^2 .

It is a cyclic number.

It is not a de Polignac number, because 29323145 - 2⁶ = 29323081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932310 + ... + 2932319.

It is an arithmetic number, because the mean of its divisors is an integer number (8796945).

Almost surely, 2^29323145 is an apocalyptic number.

It is an amenable number.

29323145 is a deficient number, since it is larger than the sum of its proper divisors (5864635).

29323145 is an equidigital number, since it uses as much as digits as its factorization.

29323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864634.

The product of its digits is 6480, while the sum is 29.

The square root of 29323145 is about 5415.0849485488. The cubic root of 29323145 is about 308.3686238318.

The spelling of 29323145 in words is "twenty-nine million, three hundred twenty-three thousand, one hundred forty-five".