29145819 has 8 divisors (see below), whose sum is σ = 38905920. Its totient is φ = 19408136.

The previous prime is 29145799. The next prime is 29145827. The reversal of 29145819 is 91854192.

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 29145819 - 2⁷ = 29145691 is a prime.

It is a super-2 number, since 2×29145819² = 1698957530361522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29145119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2289 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (4863240).

Almost surely, 2^29145819 is an apocalyptic number.

29145819 is a deficient number, since it is larger than the sum of its proper divisors (9760101).

29145819 is a wasteful number, since it uses less digits than its factorization.

29145819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209.

The product of its digits is 25920, while the sum is 39.

The square root of 29145819 is about 5398.6867847653. The cubic root of 29145819 is about 307.7457669020.

The spelling of 29145819 in words is "twenty-nine million, one hundred forty-five thousand, eight hundred nineteen".