144023930 has 16 divisors (see below), whose sum is σ = 270514944. Its totient is φ = 55104720.

The previous prime is 144023927. The next prime is 144023941. The reversal of 144023930 is 39320441.

It is a self number, because there is not a number n which added to its sum of digits gives 144023930.

It is an unprimeable number.

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, 312866 + ... + 313325.

It is an arithmetic number, because the mean of its divisors is an integer number (16907184).

Almost surely, 2^144023930 is an apocalyptic number.

144023930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144023930 is a deficient number, since it is larger than the sum of its proper divisors (126491014).

144023930 is a wasteful number, since it uses less digits than its factorization.

144023930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626221.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 144023930 is about 12000.9970419128. The cubic root of 144023930 is about 524.1773116510.

The spelling of 144023930 in words is "one hundred forty-four million, twenty-three thousand, nine hundred thirty".