29018145 has 24 divisors (see below), whose sum is σ = 50279616. Its totient is φ = 14284608.

The previous prime is 29018131. The next prime is 29018159. The reversal of 29018145 is 54181092.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29018131) and next prime (29018159).

It is not a de Polignac number, because 29018145 - 2⁵ = 29018113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3189 + ... + 8258.

It is an arithmetic number, because the mean of its divisors is an integer number (2094984).

Almost surely, 2^29018145 is an apocalyptic number.

It is an amenable number.

29018145 is a deficient number, since it is larger than the sum of its proper divisors (21261471).

29018145 is a wasteful number, since it uses less digits than its factorization.

29018145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11481 (or 11468 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 29018145 is about 5386.8492646444. The cubic root of 29018145 is about 307.2957464376.

The spelling of 29018145 in words is "twenty-nine million, eighteen thousand, one hundred forty-five".