144266530 has 16 divisors (see below), whose sum is σ = 264580344. Its totient is φ = 56617600.

The previous prime is 144266527. The next prime is 144266531. The reversal of 144266530 is 35662441.

It can be written as a sum of positive squares in 4 ways, for example, as 135699201 + 8567329 = 11649^2 + 2927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144266492 and 144266501.

It is not an unprimeable number, because it can be changed into a prime (144266531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135571 + ... + 136630.

Almost surely, 2^144266530 is an apocalyptic number.

144266530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144266530 is a deficient number, since it is larger than the sum of its proper divisors (120313814).

144266530 is a wasteful number, since it uses less digits than its factorization.

144266530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272261.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 144266530 is about 12011.1002826552. The cubic root of 144266530 is about 524.4714620319.

The spelling of 144266530 in words is "one hundred forty-four million, two hundred sixty-six thousand, five hundred thirty".