144421156 has 24 divisors (see below), whose sum is σ = 279496224. Its totient is φ = 64745280.

The previous prime is 144421127. The next prime is 144421159. The reversal of 144421156 is 651124441.

It is not an unprimeable number, because it can be changed into a prime (144421159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19270 + ... + 25693.

It is an arithmetic number, because the mean of its divisors is an integer number (11645676).

Almost surely, 2^144421156 is an apocalyptic number.

144421156 is the 6424-th nonagonal number.

It is an amenable number.

144421156 is a deficient number, since it is larger than the sum of its proper divisors (135075068).

144421156 is a wasteful number, since it uses less digits than its factorization.

144421156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45051 (or 45049 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 144421156 is about 12017.5353546391. The cubic root of 144421156 is about 524.6587726717.

Adding to 144421156 its reverse (651124441), we get a palindrome (795545597).

The spelling of 144421156 in words is "one hundred forty-four million, four hundred twenty-one thousand, one hundred fifty-six".