144642949 has 8 divisors (see below), whose sum is σ = 157916160. Its totient is φ = 131390400.

The previous prime is 144642887. The next prime is 144642961. The reversal of 144642949 is 949246441.

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

It is a cyclic number.

It is not a de Polignac number, because 144642949 - 2⁹ = 144642437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144642049) 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 in 7 ways as a sum of consecutive naturals, for example, 11964 + ... + 20794.

It is an arithmetic number, because the mean of its divisors is an integer number (19739520).

Almost surely, 2^144642949 is an apocalyptic number.

It is an amenable number.

144642949 is a deficient number, since it is larger than the sum of its proper divisors (13273211).

144642949 is a wasteful number, since it uses less digits than its factorization.

144642949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10331.

The product of its digits is 248832, while the sum is 43.

The square root of 144642949 is about 12026.7597049247. The cubic root of 144642949 is about 524.9272147017.

The spelling of 144642949 in words is "one hundred forty-four million, six hundred forty-two thousand, nine hundred forty-nine".