144631322 has 16 divisors (see below), whose sum is σ = 237110112. Its totient is φ = 65619120.

The previous prime is 144631321. The next prime is 144631343. The reversal of 144631322 is 223136441.

144631322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144631291 and 144631300.

It is not an unprimeable number, because it can be changed into a prime (144631321) 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, 6548 + ... + 18224.

It is an arithmetic number, because the mean of its divisors is an integer number (14819382).

Almost surely, 2^144631322 is an apocalyptic number.

144631322 is a deficient number, since it is larger than the sum of its proper divisors (92478790).

144631322 is a wasteful number, since it uses less digits than its factorization.

144631322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12253.

The product of its digits is 3456, while the sum is 26.

The square root of 144631322 is about 12026.2763148033. The cubic root of 144631322 is about 524.9131490495.

Adding to 144631322 its reverse (223136441), we get a palindrome (367767763).

It can be divided in two parts, 1446 and 31322, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 144631322 in words is "one hundred forty-four million, six hundred thirty-one thousand, three hundred twenty-two".