144432142 has 4 divisors (see below), whose sum is σ = 216648216. Its totient is φ = 72216070.

The previous prime is 144432139. The next prime is 144432143. The reversal of 144432142 is 241234441.

144432142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36108034 + ... + 36108037.

It is an arithmetic number, because the mean of its divisors is an integer number (54162054).

Almost surely, 2^144432142 is an apocalyptic number.

144432142 is a deficient number, since it is larger than the sum of its proper divisors (72216074).

144432142 is an equidigital number, since it uses as much as digits as its factorization.

144432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72216073.

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

The square root of 144432142 is about 12017.9924280222. The cubic root of 144432142 is about 524.6720757899.

Adding to 144432142 its reverse (241234441), we get a palindrome (385666583).

The spelling of 144432142 in words is "one hundred forty-four million, four hundred thirty-two thousand, one hundred forty-two".