169141144 has 8 divisors (see below), whose sum is σ = 317139660. Its totient is φ = 84570568.

The previous prime is 169141139. The next prime is 169141151. The reversal of 169141144 is 441141961.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10571314 + ... + 10571329.

Almost surely, 2^169141144 is an apocalyptic number.

It is an amenable number.

169141144 is a deficient number, since it is larger than the sum of its proper divisors (147998516).

169141144 is a wasteful number, since it uses less digits than its factorization.

169141144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21142649 (or 21142645 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 169141144 is about 13005.4274824013. The cubic root of 169141144 is about 553.0313543955.

The spelling of 169141144 in words is "one hundred sixty-nine million, one hundred forty-one thousand, one hundred forty-four".