144133142 has 4 divisors (see below), whose sum is σ = 216199716. Its totient is φ = 72066570.

The previous prime is 144133117. The next prime is 144133169. The reversal of 144133142 is 241331441.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36033284 + ... + 36033287.

It is an arithmetic number, because the mean of its divisors is an integer number (54049929).

Almost surely, 2^144133142 is an apocalyptic number.

144133142 is a deficient number, since it is larger than the sum of its proper divisors (72066574).

144133142 is an equidigital number, since it uses as much as digits as its factorization.

144133142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72066573.

The product of its digits is 1152, while the sum is 23.

The square root of 144133142 is about 12005.5463016058. The cubic root of 144133142 is about 524.3097710945.

Adding to 144133142 its reverse (241331441), we get a palindrome (385464583).

The spelling of 144133142 in words is "one hundred forty-four million, one hundred thirty-three thousand, one hundred forty-two".