144445412 has 6 divisors (see below), whose sum is σ = 252779478. Its totient is φ = 72222704.

The previous prime is 144445403. The next prime is 144445459. The reversal of 144445412 is 214544441.

It can be written as a sum of positive squares in only one way, i.e., 109327936 + 35117476 = 10456^2 + 5926^2 .

It is a super-3 number, since 3×144445412³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18055673 + ... + 18055680.

It is an arithmetic number, because the mean of its divisors is an integer number (42129913).

Almost surely, 2^144445412 is an apocalyptic number.

It is an amenable number.

144445412 is a deficient number, since it is larger than the sum of its proper divisors (108334066).

144445412 is a wasteful number, since it uses less digits than its factorization.

144445412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36111357 (or 36111355 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 144445412 is about 12018.5445042235. The cubic root of 144445412 is about 524.6881437397.

Adding to 144445412 its reverse (214544441), we get a palindrome (358989853).

The spelling of 144445412 in words is "one hundred forty-four million, four hundred forty-five thousand, four hundred twelve".