144423142 has 8 divisors (see below), whose sum is σ = 228036600. Its totient is φ = 68410944.

The previous prime is 144423137. The next prime is 144423163. The reversal of 144423142 is 241324441.

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, 1900267 + ... + 1900342.

It is an arithmetic number, because the mean of its divisors is an integer number (28504575).

Almost surely, 2^144423142 is an apocalyptic number.

144423142 is a deficient number, since it is larger than the sum of its proper divisors (83613458).

144423142 is a wasteful number, since it uses less digits than its factorization.

144423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800630.

The product of its digits is 3072, while the sum is 25.

The square root of 144423142 is about 12017.6179836106. The cubic root of 144423142 is about 524.6611775999.

Adding to 144423142 its reverse (241324441), we get a palindrome (385747583).

The spelling of 144423142 in words is "one hundred forty-four million, four hundred twenty-three thousand, one hundred forty-two".