169144244 has 12 divisors (see below), whose sum is σ = 296189124. Its totient is φ = 84518784.

The previous prime is 169144243. The next prime is 169144249. The reversal of 169144244 is 442441961.

It can be written as a sum of positive squares in 2 ways, for example, as 25623844 + 143520400 = 5062^2 + 11980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169144243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5717 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (24682427).

Almost surely, 2^169144244 is an apocalyptic number.

It is an amenable number.

169144244 is a deficient number, since it is larger than the sum of its proper divisors (127044880).

169144244 is a wasteful number, since it uses less digits than its factorization.

169144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26674 (or 26672 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 169144244 is about 13005.5466628666. The cubic root of 169144244 is about 553.0347330072.

The spelling of 169144244 in words is "one hundred sixty-nine million, one hundred forty-four thousand, two hundred forty-four".