144522164 has 6 divisors (see below), whose sum is σ = 252913794. Its totient is φ = 72261080.

The previous prime is 144522163. The next prime is 144522181. The reversal of 144522164 is 461225441.

It can be written as a sum of positive squares in only one way, i.e., 97022500 + 47499664 = 9850^2 + 6892^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144522163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18065267 + ... + 18065274.

It is an arithmetic number, because the mean of its divisors is an integer number (42152299).

Almost surely, 2^144522164 is an apocalyptic number.

It is an amenable number.

144522164 is a deficient number, since it is larger than the sum of its proper divisors (108391630).

144522164 is a wasteful number, since it uses less digits than its factorization.

144522164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36130545 (or 36130543 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 144522164 is about 12021.7371456874. The cubic root of 144522164 is about 524.7810594260.

The spelling of 144522164 in words is "one hundred forty-four million, five hundred twenty-two thousand, one hundred sixty-four".