29140345 has 8 divisors (see below), whose sum is σ = 37658376. Its totient is φ = 21518976.

The previous prime is 29140337. The next prime is 29140367. The reversal of 29140345 is 54304192.

It can be written as a sum of positive squares in 4 ways, for example, as 2483776 + 26656569 = 1576^2 + 5163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29140345 - 2³ = 29140337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224092 + ... + 224221.

It is an arithmetic number, because the mean of its divisors is an integer number (4707297).

Almost surely, 2^29140345 is an apocalyptic number.

It is an amenable number.

29140345 is a deficient number, since it is larger than the sum of its proper divisors (8518031).

29140345 is a wasteful number, since it uses less digits than its factorization.

29140345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448331.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 29140345 is about 5398.1797858167. The cubic root of 29140345 is about 307.7264993494.

The spelling of 29140345 in words is "twenty-nine million, one hundred forty thousand, three hundred forty-five".