144458871446 has 4 divisors (see below), whose sum is σ = 216688307172. Its totient is φ = 72229435722.

The previous prime is 144458871437. The next prime is 144458871457. The reversal of 144458871446 is 644178854441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 144458871391 and 144458871400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36114717860 + ... + 36114717863.

It is an arithmetic number, because the mean of its divisors is an integer number (54172076793).

Almost surely, 2^144458871446 is an apocalyptic number.

144458871446 is a deficient number, since it is larger than the sum of its proper divisors (72229435726).

144458871446 is an equidigital number, since it uses as much as digits as its factorization.

144458871446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72229435725.

The product of its digits is 13762560, while the sum is 56.

The spelling of 144458871446 in words is "one hundred forty-four billion, four hundred fifty-eight million, eight hundred seventy-one thousand, four hundred forty-six".