144122442 has 16 divisors (see below), whose sum is σ = 289710432. Its totient is φ = 47796560.

The previous prime is 144122411. The next prime is 144122471. The reversal of 144122442 is 244221441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59784 + ... + 62147.

It is an arithmetic number, because the mean of its divisors is an integer number (18106902).

Almost surely, 2^144122442 is an apocalyptic number.

144122442 is an abundant number, since it is smaller than the sum of its proper divisors (145587990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144122442 is a wasteful number, since it uses less digits than its factorization.

144122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122133.

The product of its digits is 2048, while the sum is 24.

The square root of 144122442 is about 12005.1006659669. The cubic root of 144122442 is about 524.2967963932.

Adding to 144122442 its reverse (244221441), we get a palindrome (388343883).

The spelling of 144122442 in words is "one hundred forty-four million, one hundred twenty-two thousand, four hundred forty-two".