144224776 has 8 divisors (see below), whose sum is σ = 270421470. Its totient is φ = 72112384.

The previous prime is 144224771. The next prime is 144224797. The reversal of 144224776 is 677422441.

It can be written as a sum of positive squares in only one way, i.e., 84162276 + 60062500 = 9174^2 + 7750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144224771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9014041 + ... + 9014056.

Almost surely, 2^144224776 is an apocalyptic number.

It is an amenable number.

144224776 is a deficient number, since it is larger than the sum of its proper divisors (126196694).

144224776 is a wasteful number, since it uses less digits than its factorization.

144224776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028103 (or 18028099 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 144224776 is about 12009.3620146950. The cubic root of 144224776 is about 524.4208591780.

The spelling of 144224776 in words is "one hundred forty-four million, two hundred twenty-four thousand, seven hundred seventy-six".