144003142 has 8 divisors (see below), whose sum is σ = 216974016. Its totient is φ = 71678472.

The previous prime is 144003137. The next prime is 144003151. The reversal of 144003142 is 241300441.

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, 160993 + ... + 161884.

It is an arithmetic number, because the mean of its divisors is an integer number (27121752).

Almost surely, 2^144003142 is an apocalyptic number.

144003142 is a deficient number, since it is larger than the sum of its proper divisors (72970874).

144003142 is a wasteful number, since it uses less digits than its factorization.

144003142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323102.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144003142 is about 12000.1309159525. The cubic root of 144003142 is about 524.1520910221.

Adding to 144003142 its reverse (241300441), we get a palindrome (385303583).

The spelling of 144003142 in words is "one hundred forty-four million, three thousand, one hundred forty-two".