29932145 has 4 divisors (see below), whose sum is σ = 35918580. Its totient is φ = 23945712.

The previous prime is 29932141. The next prime is 29932157. The reversal of 29932145 is 54123992.

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 20647936 + 9284209 = 4544^2 + 3047^2 .

It is a cyclic number.

It is not a de Polignac number, because 29932145 - 2² = 29932141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29932141) 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 3 ways as a sum of consecutive naturals, for example, 2993210 + ... + 2993219.

It is an arithmetic number, because the mean of its divisors is an integer number (8979645).

Almost surely, 2^29932145 is an apocalyptic number.

It is an amenable number.

29932145 is a deficient number, since it is larger than the sum of its proper divisors (5986435).

29932145 is an equidigital number, since it uses as much as digits as its factorization.

29932145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5986434.

The product of its digits is 19440, while the sum is 35.

The square root of 29932145 is about 5471.0277827845. The cubic root of 29932145 is about 310.4888056795.

The spelling of 29932145 in words is "twenty-nine million, nine hundred thirty-two thousand, one hundred forty-five".