144579676169 has 8 divisors (see below), whose sum is σ = 145744877568. Its totient is φ = 143414893440.

The previous prime is 144579676159. The next prime is 144579676183. The reversal of 144579676169 is 961676975441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144579676169 is a prime.

It is a super-2 number, since 2×144579676169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144579676139) 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, 608249 + ... + 811865.

It is an arithmetic number, because the mean of its divisors is an integer number (18218109696).

Almost surely, 2^144579676169 is an apocalyptic number.

It is an amenable number.

144579676169 is a deficient number, since it is larger than the sum of its proper divisors (1165201399).

144579676169 is a wasteful number, since it uses less digits than its factorization.

144579676169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209335.

The product of its digits is 68584320, while the sum is 65.

The spelling of 144579676169 in words is "one hundred forty-four billion, five hundred seventy-nine million, six hundred seventy-six thousand, one hundred sixty-nine".