144138292 has 12 divisors (see below), whose sum is σ = 253790656. Its totient is φ = 71626680.

The previous prime is 144138233. The next prime is 144138299. The reversal of 144138292 is 292831441.

144138292 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 (144138299) 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 3 ways as a sum of consecutive naturals, for example, 109884 + ... + 111187.

Almost surely, 2^144138292 is an apocalyptic number.

It is an amenable number.

144138292 is a deficient number, since it is larger than the sum of its proper divisors (109652364).

144138292 is a wasteful number, since it uses less digits than its factorization.

144138292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221238 (or 221236 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 144138292 is about 12005.7607838904. The cubic root of 144138292 is about 524.3160156984.

The spelling of 144138292 in words is "one hundred forty-four million, one hundred thirty-eight thousand, two hundred ninety-two".