144213330 has 32 divisors (see below), whose sum is σ = 350288064. Its totient is φ = 37992896.

The previous prime is 144213323. The next prime is 144213331. The reversal of 144213330 is 33312441.

It is a junction number, because it is equal to n+sod(n) for n = 144213297 and 144213306.

It is not an unprimeable number, because it can be changed into a prime (144213331) 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, 26469 + ... + 31448.

It is an arithmetic number, because the mean of its divisors is an integer number (10946502).

Almost surely, 2^144213330 is an apocalyptic number.

144213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144213330 is an abundant number, since it is smaller than the sum of its proper divisors (206074734).

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

144213330 is a wasteful number, since it uses less digits than its factorization.

144213330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58010.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144213330 is about 12008.8854603581. The cubic root of 144213330 is about 524.4069857412.

Adding to 144213330 its reverse (33312441), we get a palindrome (177525771).

The spelling of 144213330 in words is "one hundred forty-four million, two hundred thirteen thousand, three hundred thirty".