144422553 has 16 divisors (see below), whose sum is σ = 221126400. Its totient is φ = 82921680.

The previous prime is 144422539. The next prime is 144422561. The reversal of 144422553 is 355224441.

It is not a de Polignac number, because 144422553 - 2⁶ = 144422489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144422553.

It is not an unprimeable number, because it can be changed into a prime (144422533) 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, 114543 + ... + 115796.

It is an arithmetic number, because the mean of its divisors is an integer number (13820400).

Almost surely, 2^144422553 is an apocalyptic number.

It is an amenable number.

144422553 is a deficient number, since it is larger than the sum of its proper divisors (76703847).

144422553 is a wasteful number, since it uses less digits than its factorization.

144422553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230372.

The product of its digits is 19200, while the sum is 30.

The square root of 144422553 is about 12017.5934778973. The cubic root of 144422553 is about 524.6604643581.

Adding to 144422553 its reverse (355224441), we get a palindrome (499646994).

The spelling of 144422553 in words is "one hundred forty-four million, four hundred twenty-two thousand, five hundred fifty-three".