144195419 has 8 divisors (see below), whose sum is σ = 146165760. Its totient is φ = 142238376.

The previous prime is 144195409. The next prime is 144195421. The reversal of 144195419 is 914591441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144195419 is a prime.

It is a super-2 number, since 2×144195419² = 41584637721171122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144195409) 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, 19562 + ... + 25904.

It is an arithmetic number, because the mean of its divisors is an integer number (18270720).

Almost surely, 2^144195419 is an apocalyptic number.

144195419 is a deficient number, since it is larger than the sum of its proper divisors (1970341).

144195419 is a wasteful number, since it uses less digits than its factorization.

144195419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6649.

The product of its digits is 25920, while the sum is 38.

The square root of 144195419 is about 12008.1396977217. The cubic root of 144195419 is about 524.3852747514.

The spelling of 144195419 in words is "one hundred forty-four million, one hundred ninety-five thousand, four hundred nineteen".