1444706147 has 4 divisors (see below), whose sum is σ = 1445406480. Its totient is φ = 1444005816.

The previous prime is 1444706141. The next prime is 1444706167. The reversal of 1444706147 is 7416074441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444706147 - 2⁸ = 1444705891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444706147.

It is not an unprimeable number, because it can be changed into a prime (1444706141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347063 + ... + 351200.

It is an arithmetic number, because the mean of its divisors is an integer number (361351620).

Almost surely, 2^1444706147 is an apocalyptic number.

1444706147 is a deficient number, since it is larger than the sum of its proper divisors (700333).

1444706147 is an equidigital number, since it uses as much as digits as its factorization.

1444706147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700332.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1444706147 is about 38009.2902722479. The cubic root of 1444706147 is about 1130.4720785772.

The spelling of 1444706147 in words is "one billion, four hundred forty-four million, seven hundred six thousand, one hundred forty-seven".