1444850457 has 4 divisors (see below), whose sum is σ = 1926467280. Its totient is φ = 963233636.

The previous prime is 1444850443. The next prime is 1444850461. The reversal of 1444850457 is 7540584441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1444850457 - 2¹⁶ = 1444784921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1444850257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240808407 + ... + 240808412.

It is an arithmetic number, because the mean of its divisors is an integer number (481616820).

Almost surely, 2^1444850457 is an apocalyptic number.

It is an amenable number.

1444850457 is a deficient number, since it is larger than the sum of its proper divisors (481616823).

1444850457 is an equidigital number, since it uses as much as digits as its factorization.

1444850457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481616822.

The product of its (nonzero) digits is 358400, while the sum is 42.

The square root of 1444850457 is about 38011.1885765231. The cubic root of 1444850457 is about 1130.5097178333.

The spelling of 1444850457 in words is "one billion, four hundred forty-four million, eight hundred fifty thousand, four hundred fifty-seven".