144742142 has 8 divisors (see below), whose sum is σ = 220672632. Its totient is φ = 71184600.

The previous prime is 144742127. The next prime is 144742159. The reversal of 144742142 is 241247441.

144742142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 593084 + ... + 593327.

It is an arithmetic number, because the mean of its divisors is an integer number (27584079).

Almost surely, 2^144742142 is an apocalyptic number.

144742142 is a deficient number, since it is larger than the sum of its proper divisors (75930490).

144742142 is a wasteful number, since it uses less digits than its factorization.

144742142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186474.

The product of its digits is 7168, while the sum is 29.

The square root of 144742142 is about 12030.8828437484. The cubic root of 144742142 is about 525.0471818518.

Adding to 144742142 its reverse (241247441), we get a palindrome (385989583).

The spelling of 144742142 in words is "one hundred forty-four million, seven hundred forty-two thousand, one hundred forty-two".