29019145 has 8 divisors (see below), whose sum is σ = 34869960. Its totient is φ = 23184000.

The previous prime is 29019139. The next prime is 29019181. The reversal of 29019145 is 54191092.

It can be written as a sum of positive squares in 4 ways, for example, as 2886601 + 26132544 = 1699^2 + 5112^2 .

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

It is not a de Polignac number, because 29019145 - 2¹³ = 29010953 is a prime.

It is a super-2 number, since 2×29019145² = 1684221553062050, which contains 22 as substring.

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, 645 + ... + 7645.

It is an arithmetic number, because the mean of its divisors is an integer number (4358745).

Almost surely, 2^29019145 is an apocalyptic number.

It is an amenable number.

29019145 is a deficient number, since it is larger than the sum of its proper divisors (5850815).

29019145 is an equidigital number, since it uses as much as digits as its factorization.

29019145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 29019145 is about 5386.9420824806. The cubic root of 29019145 is about 307.2992763234.

The spelling of 29019145 in words is "twenty-nine million, nineteen thousand, one hundred forty-five".