144186514856 has 32 divisors (see below), whose sum is σ = 273265007400. Its totient is φ = 71317094400.

The previous prime is 144186514853. The next prime is 144186514909. The reversal of 144186514856 is 658415681441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 133027972900 + 11158541956 = 364730^2 + 105634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144186514798 and 144186514807.

It is not an unprimeable number, because it can be changed into a prime (144186514853) 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, 854240 + ... + 1009008.

Almost surely, 2^144186514856 is an apocalyptic number.

It is an amenable number.

144186514856 is a deficient number, since it is larger than the sum of its proper divisors (129078492544).

144186514856 is a wasteful number, since it uses less digits than its factorization.

144186514856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156029 (or 156025 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 53.

The spelling of 144186514856 in words is "one hundred forty-four billion, one hundred eighty-six million, five hundred fourteen thousand, eight hundred fifty-six".