29320145 has 4 divisors (see below), whose sum is σ = 35184180. Its totient is φ = 23456112.

The previous prime is 29320129. The next prime is 29320153. The reversal of 29320145 is 54102392.

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 4946176 + 24373969 = 2224^2 + 4937^2 .

It is a cyclic number.

It is not a de Polignac number, because 29320145 - 2⁴ = 29320129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2932010 + ... + 2932019.

It is an arithmetic number, because the mean of its divisors is an integer number (8796045).

Almost surely, 2^29320145 is an apocalyptic number.

It is an amenable number.

29320145 is a deficient number, since it is larger than the sum of its proper divisors (5864035).

29320145 is an equidigital number, since it uses as much as digits as its factorization.

29320145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864034.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 29320145 is about 5414.8079374988. The cubic root of 29320145 is about 308.3581072538.

The spelling of 29320145 in words is "twenty-nine million, three hundred twenty thousand, one hundred forty-five".