144991334 has 32 divisors (see below), whose sum is σ = 241024896. Its totient is φ = 65121280.

The previous prime is 144991321. The next prime is 144991339. The reversal of 144991334 is 433199441.

It is a happy number.

144991334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144991339) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64412 + ... + 66624.

It is an arithmetic number, because the mean of its divisors is an integer number (7532028).

Almost surely, 2^144991334 is an apocalyptic number.

144991334 is a deficient number, since it is larger than the sum of its proper divisors (96033562).

144991334 is a wasteful number, since it uses less digits than its factorization.

144991334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its digits is 46656, while the sum is 38.

The square root of 144991334 is about 12041.2347373515. The cubic root of 144991334 is about 525.3483209276.

The spelling of 144991334 in words is "one hundred forty-four million, nine hundred ninety-one thousand, three hundred thirty-four".