144443146 has 8 divisors (see below), whose sum is σ = 216740160. Its totient is φ = 72196428.

The previous prime is 144443137. The next prime is 144443147. The reversal of 144443146 is 641344441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (144443147) 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, 4306 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (27092520).

Almost surely, 2^144443146 is an apocalyptic number.

144443146 is a deficient number, since it is larger than the sum of its proper divisors (72297014).

144443146 is a wasteful number, since it uses less digits than its factorization.

144443146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25148.

The product of its digits is 18432, while the sum is 31.

The square root of 144443146 is about 12018.4502328711. The cubic root of 144443146 is about 524.6854000283.

Adding to 144443146 its reverse (641344441), we get a palindrome (785787587).

The spelling of 144443146 in words is "one hundred forty-four million, four hundred forty-three thousand, one hundred forty-six".