1444455462 has 8 divisors (see below), whose sum is σ = 2888910936. Its totient is φ = 481485152.

The previous prime is 1444455457. The next prime is 1444455497. The reversal of 1444455462 is 2645544441.

It is a sphenic number, since it is the product of 3 distinct primes.

1444455462 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444455462.

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, 120371283 + ... + 120371294.

It is an arithmetic number, because the mean of its divisors is an integer number (361113867).

Almost surely, 2^1444455462 is an apocalyptic number.

1444455462 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1444455462 is a wasteful number, since it uses less digits than its factorization.

1444455462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240742582.

The product of its digits is 307200, while the sum is 39.

The square root of 1444455462 is about 38005.9924485600. The cubic root of 1444455462 is about 1130.4066883969.

The spelling of 1444455462 in words is "one billion, four hundred forty-four million, four hundred fifty-five thousand, four hundred sixty-two".