144624142 has 8 divisors (see below), whose sum is σ = 233623656. Its totient is φ = 66749592.

The previous prime is 144624127. The next prime is 144624149. The reversal of 144624142 is 241426441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×144624142² = 41832284898472328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144624142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144624149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2781208 + ... + 2781259.

It is an arithmetic number, because the mean of its divisors is an integer number (29202957).

Almost surely, 2^144624142 is an apocalyptic number.

144624142 is a deficient number, since it is larger than the sum of its proper divisors (88999514).

144624142 is a wasteful number, since it uses less digits than its factorization.

144624142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562482.

The product of its digits is 6144, while the sum is 28.

The square root of 144624142 is about 12025.9777980836. The cubic root of 144624142 is about 524.9044627365.

The spelling of 144624142 in words is "one hundred forty-four million, six hundred twenty-four thousand, one hundred forty-two".