144323530 has 16 divisors (see below), whose sum is σ = 279765864. Its totient is φ = 53288640.

The previous prime is 144323527. The next prime is 144323533. The reversal of 144323530 is 35323441.

It is an interprime number because it is at equal distance from previous prime (144323527) and next prime (144323533).

It can be written as a sum of positive squares in 4 ways, for example, as 80946009 + 63377521 = 8997^2 + 7961^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144323495 and 144323504.

It is not an unprimeable number, because it can be changed into a prime (144323533) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 554961 + ... + 555220.

Almost surely, 2^144323530 is an apocalyptic number.

144323530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144323530 is a deficient number, since it is larger than the sum of its proper divisors (135442334).

144323530 is a wasteful number, since it uses less digits than its factorization.

144323530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110201.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 144323530 is about 12013.4728534259. The cubic root of 144323530 is about 524.5405261847.

Adding to 144323530 its reverse (35323441), we get a palindrome (179646971).

The spelling of 144323530 in words is "one hundred forty-four million, three hundred twenty-three thousand, five hundred thirty".