144347912 has 8 divisors (see below), whose sum is σ = 270652350. Its totient is φ = 72173952.

The previous prime is 144347897. The next prime is 144347933. The reversal of 144347912 is 219743441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 108035236 + 36312676 = 10394^2 + 6026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9021737 + ... + 9021752.

Almost surely, 2^144347912 is an apocalyptic number.

It is an amenable number.

144347912 is a deficient number, since it is larger than the sum of its proper divisors (126304438).

144347912 is a wasteful number, since it uses less digits than its factorization.

144347912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18043495 (or 18043491 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 144347912 is about 12014.4875879082. The cubic root of 144347912 is about 524.5700631262.

The spelling of 144347912 in words is "one hundred forty-four million, three hundred forty-seven thousand, nine hundred twelve".