144693161 has 8 divisors (see below), whose sum is σ = 152897280. Its totient is φ = 136648512.

The previous prime is 144693149. The next prime is 144693163. The reversal of 144693161 is 161396441.

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

It is not a de Polignac number, because 144693161 - 2⁶ = 144693097 is a prime.

It is a super-2 number, since 2×144693161² = 41872221680343842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144693163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38000 + ... + 41633.

It is an arithmetic number, because the mean of its divisors is an integer number (19112160).

Almost surely, 2^144693161 is an apocalyptic number.

It is an amenable number.

144693161 is a deficient number, since it is larger than the sum of its proper divisors (8204119).

144693161 is an equidigital number, since it uses as much as digits as its factorization.

144693161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79735.

The product of its digits is 15552, while the sum is 35.

The square root of 144693161 is about 12028.8470353563. The cubic root of 144693161 is about 524.9879495344.

The spelling of 144693161 in words is "one hundred forty-four million, six hundred ninety-three thousand, one hundred sixty-one".