144217630 has 32 divisors (see below), whose sum is σ = 275931360. Its totient is φ = 54082560.

The previous prime is 144217627. The next prime is 144217631. The reversal of 144217630 is 36712441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144217631) 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, 46261 + ... + 49279.

It is an arithmetic number, because the mean of its divisors is an integer number (8622855).

Almost surely, 2^144217630 is an apocalyptic number.

144217630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144217630 is a deficient number, since it is larger than the sum of its proper divisors (131713730).

144217630 is a wasteful number, since it uses less digits than its factorization.

144217630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 144217630 is about 12009.0644931235. The cubic root of 144217630 is about 524.4121977597.

The spelling of 144217630 in words is "one hundred forty-four million, two hundred seventeen thousand, six hundred thirty".