144554222 has 8 divisors (see below), whose sum is σ = 217436400. Its totient is φ = 72075424.

The previous prime is 144554173. The next prime is 144554237. The reversal of 144554222 is 222455441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99947 + ... + 101382.

It is an arithmetic number, because the mean of its divisors is an integer number (27179550).

Almost surely, 2^144554222 is an apocalyptic number.

144554222 is a deficient number, since it is larger than the sum of its proper divisors (72882178).

144554222 is a wasteful number, since it uses less digits than its factorization.

144554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201690.

The product of its digits is 12800, while the sum is 29.

The square root of 144554222 is about 12023.0704065143. The cubic root of 144554222 is about 524.8198589821.

The spelling of 144554222 in words is "one hundred forty-four million, five hundred fifty-four thousand, two hundred twenty-two".