144170169 has 48 divisors (see below), whose sum is σ = 230232576. Its totient is φ = 79706880.

The previous prime is 144170161. The next prime is 144170171. The reversal of 144170169 is 961071441.

It is not a de Polignac number, because 144170169 - 2³ = 144170161 is a prime.

It is a super-2 number, since 2×144170169² = 41570075258977122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144170161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 646392 + ... + 646614.

It is an arithmetic number, because the mean of its divisors is an integer number (4796512).

Almost surely, 2^144170169 is an apocalyptic number.

It is an amenable number.

144170169 is a deficient number, since it is larger than the sum of its proper divisors (86062407).

144170169 is a wasteful number, since it uses less digits than its factorization.

144170169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 144170169 is about 12007.0882815111. The cubic root of 144170169 is about 524.3546646687.

The spelling of 144170169 in words is "one hundred forty-four million, one hundred seventy thousand, one hundred sixty-nine".