144521612 has 12 divisors (see below), whose sum is σ = 253051680. Its totient is φ = 72221136.

The previous prime is 144521609. The next prime is 144521623. The reversal of 144521612 is 216125441.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 788 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (21087640).

Almost surely, 2^144521612 is an apocalyptic number.

It is an amenable number.

144521612 is a deficient number, since it is larger than the sum of its proper divisors (108530068).

144521612 is a wasteful number, since it uses less digits than its factorization.

144521612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19840 (or 19838 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 144521612 is about 12021.7141872530. The cubic root of 144521612 is about 524.7803912944.

The spelling of 144521612 in words is "one hundred forty-four million, five hundred twenty-one thousand, six hundred twelve".