144454314436 has 24 divisors (see below), whose sum is σ = 253210095320. Its totient is φ = 72108652032.

The previous prime is 144454314409. The next prime is 144454314443. The reversal of 144454314436 is 634413454441.

It can be written as a sum of positive squares in 4 ways, for example, as 22413084100 + 122041230336 = 149710^2 + 349344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144454314392 and 144454314401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8868796 + ... + 8885068.

Almost surely, 2^144454314436 is an apocalyptic number.

It is an amenable number.

144454314436 is a deficient number, since it is larger than the sum of its proper divisors (108755780884).

144454314436 is a wasteful number, since it uses less digits than its factorization.

144454314436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19783 (or 19781 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 43.

Adding to 144454314436 its reverse (634413454441), we get a palindrome (778867768877).

The spelling of 144454314436 in words is "one hundred forty-four billion, four hundred fifty-four million, three hundred fourteen thousand, four hundred thirty-six".