144151246885 has 4 divisors (see below), whose sum is σ = 172981496268. Its totient is φ = 115320997504.

The previous prime is 144151246871. The next prime is 144151246903. The reversal of 144151246885 is 588642151441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588642151441 = 159707 ⋅3685763.

It can be written as a sum of positive squares in 2 ways, for example, as 38937944929 + 105213301956 = 197327^2 + 324366^2 .

It is a cyclic number.

It is not a de Polignac number, because 144151246885 - 2⁹ = 144151246373 is a prime.

It is a super-3 number, since 3×144151246885³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14415124684 + ... + 14415124693.

It is an arithmetic number, because the mean of its divisors is an integer number (43245374067).

Almost surely, 2^144151246885 is an apocalyptic number.

It is an amenable number.

144151246885 is a deficient number, since it is larger than the sum of its proper divisors (28830249383).

144151246885 is an equidigital number, since it uses as much as digits as its factorization.

144151246885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28830249382.

The product of its digits is 1228800, while the sum is 49.

The spelling of 144151246885 in words is "one hundred forty-four billion, one hundred fifty-one million, two hundred forty-six thousand, eight hundred eighty-five".