144557212 has 6 divisors (see below), whose sum is σ = 252975128. Its totient is φ = 72278604.

The previous prime is 144557209. The next prime is 144557213. The reversal of 144557212 is 212755441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144557213) 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 as a sum of consecutive naturals, namely, 18069648 + ... + 18069655.

Almost surely, 2^144557212 is an apocalyptic number.

It is an amenable number.

144557212 is a deficient number, since it is larger than the sum of its proper divisors (108417916).

144557212 is a wasteful number, since it uses less digits than its factorization.

144557212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36139307 (or 36139305 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 144557212 is about 12023.1947501486. The cubic root of 144557212 is about 524.8234774642.

The spelling of 144557212 in words is "one hundred forty-four million, five hundred fifty-seven thousand, two hundred twelve".