161134229 has 2 divisors, whose sum is σ = 161134230. Its totient is φ = 161134228.

The previous prime is 161134217. The next prime is 161134241. The reversal of 161134229 is 922431161.

It is a balanced prime because it is at equal distance from previous prime (161134217) and next prime (161134241).

It can be written as a sum of positive squares in only one way, i.e., 157126225 + 4008004 = 12535^2 + 2002^2 .

It is a cyclic number.

It is not a de Polignac number, because 161134229 - 2¹² = 161130133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161164229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80567114 + 80567115.

It is an arithmetic number, because the mean of its divisors is an integer number (80567115).

Almost surely, 2^161134229 is an apocalyptic number.

It is an amenable number.

161134229 is a deficient number, since it is larger than the sum of its proper divisors (1).

161134229 is an equidigital number, since it uses as much as digits as its factorization.

161134229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 161134229 is about 12693.8658020321. The cubic root of 161134229 is about 544.1633252480.

The spelling of 161134229 in words is "one hundred sixty-one million, one hundred thirty-four thousand, two hundred twenty-nine".