1444230149 has 4 divisors (see below), whose sum is σ = 1444312140. Its totient is φ = 1444148160.

The previous prime is 1444230133. The next prime is 1444230233. The reversal of 1444230149 is 9410324441.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 166668100 + 1277562049 = 12910^2 + 35743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444230149 - 2⁴ = 1444230133 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444230649) 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, 2564 + ... + 53805.

It is an arithmetic number, because the mean of its divisors is an integer number (361078035).

Almost surely, 2^1444230149 is an apocalyptic number.

It is an amenable number.

1444230149 is a deficient number, since it is larger than the sum of its proper divisors (81991).

1444230149 is an equidigital number, since it uses as much as digits as its factorization.

1444230149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81990.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1444230149 is about 38003.0281556615. The cubic root of 1444230149 is about 1130.3479099454.

The spelling of 1444230149 in words is "one billion, four hundred forty-four million, two hundred thirty thousand, one hundred forty-nine".