144985552 has 20 divisors (see below), whose sum is σ = 281686336. Its totient is φ = 72292320.

The previous prime is 144985549. The next prime is 144985567. The reversal of 144985552 is 255589441.

It is a junction number, because it is equal to n+sod(n) for n = 144985499 and 144985508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6474 + ... + 18217.

Almost surely, 2^144985552 is an apocalyptic number.

It is an amenable number.

144985552 is a deficient number, since it is larger than the sum of its proper divisors (136700784).

144985552 is a wasteful number, since it uses less digits than its factorization.

144985552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066 (or 25060 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 144985552 is about 12040.9946433009. The cubic root of 144985552 is about 525.3413375116.

The spelling of 144985552 in words is "one hundred forty-four million, nine hundred eighty-five thousand, five hundred fifty-two".