144542330 has 32 divisors (see below), whose sum is σ = 280169280. Its totient is φ = 53489920.

The previous prime is 144542323. The next prime is 144542339. The reversal of 144542330 is 33245441.

144542330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144542330.

It is not an unprimeable number, because it can be changed into a prime (144542339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2825 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (8755290).

Almost surely, 2^144542330 is an apocalyptic number.

144542330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144542330 is a deficient number, since it is larger than the sum of its proper divisors (135626950).

144542330 is a wasteful number, since it uses less digits than its factorization.

144542330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 144542330 is about 12022.5758471303. The cubic root of 144542330 is about 524.8054668534.

Adding to 144542330 its reverse (33245441), we get a palindrome (177787771).

The spelling of 144542330 in words is "one hundred forty-four million, five hundred forty-two thousand, three hundred thirty".