144457319 has 8 divisors (see below), whose sum is σ = 150859392. Its totient is φ = 138065400.

The previous prime is 144457297. The next prime is 144457331. The reversal of 144457319 is 913754441.

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

It is a cyclic number.

It is not a de Polignac number, because 144457319 - 2¹² = 144453223 is a prime.

It is a super-2 number, since 2×144457319² = 41735834025335522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144457519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49244 + ... + 52094.

It is an arithmetic number, because the mean of its divisors is an integer number (18857424).

Almost surely, 2^144457319 is an apocalyptic number.

144457319 is a deficient number, since it is larger than the sum of its proper divisors (6402073).

144457319 is a wasteful number, since it uses less digits than its factorization.

144457319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077.

The product of its digits is 60480, while the sum is 38.

The square root of 144457319 is about 12019.0398534991. The cubic root of 144457319 is about 524.7025604664.

The spelling of 144457319 in words is "one hundred forty-four million, four hundred fifty-seven thousand, three hundred nineteen".