144816972 has 24 divisors (see below), whose sum is σ = 338113776. Its totient is φ = 48242688.

The previous prime is 144816937. The next prime is 144816977. The reversal of 144816972 is 279618441.

It is not an unprimeable number, because it can be changed into a prime (144816977) 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 7 ways as a sum of consecutive naturals, for example, 26508 + ... + 31500.

It is an arithmetic number, because the mean of its divisors is an integer number (14088074).

Almost surely, 2^144816972 is an apocalyptic number.

144816972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144816972 is an abundant number, since it is smaller than the sum of its proper divisors (193296804).

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

144816972 is a wasteful number, since it uses less digits than its factorization.

144816972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417 (or 7415 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 144816972 is about 12033.9923549918. The cubic root of 144816972 is about 525.1376473544.

The spelling of 144816972 in words is "one hundred forty-four million, eight hundred sixteen thousand, nine hundred seventy-two".