144225330 has 32 divisors (see below), whose sum is σ = 357308928. Its totient is φ = 37219200.

The previous prime is 144225329. The next prime is 144225343. The reversal of 144225330 is 33522441.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144225330.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 76611 + ... + 78470.

It is an arithmetic number, because the mean of its divisors is an integer number (11165904).

Almost surely, 2^144225330 is an apocalyptic number.

144225330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144225330 is an abundant number, since it is smaller than the sum of its proper divisors (213083598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144225330 is a wasteful number, since it uses less digits than its factorization.

144225330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155122.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 144225330 is about 12009.3850800114. The cubic root of 144225330 is about 524.4215306502.

Adding to 144225330 its reverse (33522441), we get a palindrome (177747771).

The spelling of 144225330 in words is "one hundred forty-four million, two hundred twenty-five thousand, three hundred thirty".