14145444 has 18 divisors (see below), whose sum is σ = 35756630. Its totient is φ = 4715136.

The previous prime is 14145431. The next prime is 14145457. The reversal of 14145444 is 44454141.

It is an interprime number because it is at equal distance from previous prime (14145431) and next prime (14145457).

It can be written as a sum of positive squares in only one way, i.e., 14062500 + 82944 = 3750^2 + 288^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196429 + ... + 196500.

Almost surely, 2^14145444 is an apocalyptic number.

It is an amenable number.

14145444 is an abundant number, since it is smaller than the sum of its proper divisors (21611186).

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

14145444 is a wasteful number, since it uses less digits than its factorization.

14145444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392939 (or 392934 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 14145444 is about 3761.0429404621. The cubic root of 14145444 is about 241.8459735214.

Adding to 14145444 its reverse (44454141), we get a palindrome (58599585).

The spelling of 14145444 in words is "fourteen million, one hundred forty-five thousand, four hundred forty-four".