144442396 has 18 divisors (see below), whose sum is σ = 294043848. Its totient is φ = 61903800.

The previous prime is 144442393. The next prime is 144442429. The reversal of 144442396 is 693244441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368280 + ... + 368671.

Almost surely, 2^144442396 is an apocalyptic number.

It is an amenable number.

144442396 is an abundant number, since it is smaller than the sum of its proper divisors (149601452).

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

144442396 is a wasteful number, since it uses less digits than its factorization.

144442396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736969 (or 736960 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 144442396 is about 12018.4190308043. The cubic root of 144442396 is about 524.6844919093.

The spelling of 144442396 in words is "one hundred forty-four million, four hundred forty-two thousand, three hundred ninety-six".