144552022 has 4 divisors (see below), whose sum is σ = 216828036. Its totient is φ = 72276010.

The previous prime is 144552017. The next prime is 144552029. The reversal of 144552022 is 220255441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144552029) 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 as a sum of consecutive naturals, namely, 36138004 + ... + 36138007.

It is an arithmetic number, because the mean of its divisors is an integer number (54207009).

Almost surely, 2^144552022 is an apocalyptic number.

144552022 is a deficient number, since it is larger than the sum of its proper divisors (72276014).

144552022 is an equidigital number, since it uses as much as digits as its factorization.

144552022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72276013.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 144552022 is about 12022.9789153936. The cubic root of 144552022 is about 524.8171965220.

It can be divided in two parts, 14455202 and 2, that added together give a square (14455204 = 3802²).

The spelling of 144552022 in words is "one hundred forty-four million, five hundred fifty-two thousand, twenty-two".