144122446 has 8 divisors (see below), whose sum is σ = 232813224. Its totient is φ = 66518040.

The previous prime is 144122411. The next prime is 144122471. The reversal of 144122446 is 644221441.

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, 2771560 + ... + 2771611.

It is an arithmetic number, because the mean of its divisors is an integer number (29101653).

Almost surely, 2^144122446 is an apocalyptic number.

144122446 is a deficient number, since it is larger than the sum of its proper divisors (88690778).

144122446 is a wasteful number, since it uses less digits than its factorization.

144122446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543186.

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

The square root of 144122446 is about 12005.1008325628. The cubic root of 144122446 is about 524.2968012437.

Adding to 144122446 its reverse (644221441), we get a palindrome (788343887).

The spelling of 144122446 in words is "one hundred forty-four million, one hundred twenty-two thousand, four hundred forty-six".