144212169 has 8 divisors (see below), whose sum is σ = 192730752. Its totient is φ = 95917520.

The previous prime is 144212141. The next prime is 144212171. The reversal of 144212169 is 961212441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144212169 - 2⁹ = 144211657 is a prime.

It is a super-2 number, since 2×144212169² = 41594299375369122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144212119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54474 + ... + 57059.

It is an arithmetic number, because the mean of its divisors is an integer number (24091344).

Almost surely, 2^144212169 is an apocalyptic number.

It is an amenable number.

144212169 is a deficient number, since it is larger than the sum of its proper divisors (48518583).

144212169 is a wasteful number, since it uses less digits than its factorization.

144212169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111967.

The product of its digits is 3456, while the sum is 30.

The square root of 144212169 is about 12008.8371210538. The cubic root of 144212169 is about 524.4055784784.

The spelling of 144212169 in words is "one hundred forty-four million, two hundred twelve thousand, one hundred sixty-nine".