144771572 has 12 divisors (see below), whose sum is σ = 276382176. Its totient is φ = 65805240.

The previous prime is 144771569. The next prime is 144771587. The reversal of 144771572 is 275177441.

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, 1645088 + ... + 1645175.

It is an arithmetic number, because the mean of its divisors is an integer number (23031848).

Almost surely, 2^144771572 is an apocalyptic number.

It is an amenable number.

144771572 is a deficient number, since it is larger than the sum of its proper divisors (131610604).

144771572 is a wasteful number, since it uses less digits than its factorization.

144771572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290278 (or 3290276 counting only the distinct ones).

The product of its digits is 54880, while the sum is 38.

The square root of 144771572 is about 12032.1058838426. The cubic root of 144771572 is about 525.0827648806.

The spelling of 144771572 in words is "one hundred forty-four million, seven hundred seventy-one thousand, five hundred seventy-two".