144422532 has 18 divisors (see below), whose sum is σ = 365068158. Its totient is φ = 48140832.

The previous prime is 144422527. The next prime is 144422533. The reversal of 144422532 is 235224441.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 61685316 = 9096^2 + 7854^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 144422496 and 144422505.

It is not an unprimeable number, because it can be changed into a prime (144422533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2005833 + ... + 2005904.

Almost surely, 2^144422532 is an apocalyptic number.

144422532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144422532 is an abundant number, since it is smaller than the sum of its proper divisors (220645626).

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

144422532 is a wasteful number, since it uses less digits than its factorization.

144422532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011747 (or 4011742 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 144422532 is about 12017.5926041783. The cubic root of 144422532 is about 524.6604389284.

Adding to 144422532 its reverse (235224441), we get a palindrome (379646973).

The spelling of 144422532 in words is "one hundred forty-four million, four hundred twenty-two thousand, five hundred thirty-two".