144303146 has 8 divisors (see below), whose sum is σ = 233105124. Its totient is φ = 66601440.

The previous prime is 144303143. The next prime is 144303151. The reversal of 144303146 is 641303441.

It can be written as a sum of positive squares in 2 ways, for example, as 140161921 + 4141225 = 11839^2 + 2035^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5550121 = 144303146 / (1 + 4 + 4 + 3 + 0 + 3 + 1 + 4 + 6).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144303143) 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, 2775035 + ... + 2775086.

Almost surely, 2^144303146 is an apocalyptic number.

144303146 is a deficient number, since it is larger than the sum of its proper divisors (88801978).

144303146 is a wasteful number, since it uses less digits than its factorization.

144303146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550136.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 144303146 is about 12012.6244426437. The cubic root of 144303146 is about 524.5158299634.

Adding to 144303146 its reverse (641303441), we get a palindrome (785606587).

It can be divided in two parts, 14430 and 3146, that added together give a cube (17576 = 26³).

The spelling of 144303146 in words is "one hundred forty-four million, three hundred three thousand, one hundred forty-six".