144953320 has 32 divisors (see below), whose sum is σ = 326718720. Its totient is φ = 57879360.

The previous prime is 144953317. The next prime is 144953329. The reversal of 144953320 is 23359441.

It is a super-2 number, since 2×144953320² = 42022929958044800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144953329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22369 + ... + 28111.

It is an arithmetic number, because the mean of its divisors is an integer number (10209960).

Almost surely, 2^144953320 is an apocalyptic number.

144953320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144953320 is an abundant number, since it is smaller than the sum of its proper divisors (181765400).

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

144953320 is a wasteful number, since it uses less digits than its factorization.

144953320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385 (or 6381 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 144953320 is about 12039.6561412692. The cubic root of 144953320 is about 525.3024047658.

The spelling of 144953320 in words is "one hundred forty-four million, nine hundred fifty-three thousand, three hundred twenty".