29045161 has 2 divisors, whose sum is σ = 29045162. Its totient is φ = 29045160.

The previous prime is 29045147. The next prime is 29045183. The reversal of 29045161 is 16154092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28955161 + 90000 = 5381^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 29045161 - 2⁷ = 29045033 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (29045131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14522580 + 14522581.

It is an arithmetic number, because the mean of its divisors is an integer number (14522581).

Almost surely, 2^29045161 is an apocalyptic number.

It is an amenable number.

29045161 is a deficient number, since it is larger than the sum of its proper divisors (1).

29045161 is an equidigital number, since it uses as much as digits as its factorization.

29045161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 29045161 is about 5389.3562695372. The cubic root of 29045161 is about 307.3910813490.

It can be divided in two parts, 290 and 45161, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 29045161 in words is "twenty-nine million, forty-five thousand, one hundred sixty-one".