144219196525 has 12 divisors (see below), whose sum is σ = 178836530292. Its totient is φ = 115372307840.

The previous prime is 144219196487. The next prime is 144219196543. The reversal of 144219196525 is 525691912441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11278015204 + 132941181321 = 106198^2 + 364611^2 .

It is not a de Polignac number, because 144219196525 - 2²⁹ = 143682325613 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1700529 + ... + 1783321.

It is an arithmetic number, because the mean of its divisors is an integer number (14903044191).

Almost surely, 2^144219196525 is an apocalyptic number.

It is an amenable number.

144219196525 is a deficient number, since it is larger than the sum of its proper divisors (34617333767).

144219196525 is an equidigital number, since it uses as much as digits as its factorization.

144219196525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152480 (or 152475 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The spelling of 144219196525 in words is "one hundred forty-four billion, two hundred nineteen million, one hundred ninety-six thousand, five hundred twenty-five".