144947395 has 8 divisors (see below), whose sum is σ = 174056256. Its totient is φ = 115878336.

The previous prime is 144947381. The next prime is 144947399. The reversal of 144947395 is 593749441.

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 144947395 - 2¹³ = 144939203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144947399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 17071.

It is an arithmetic number, because the mean of its divisors is an integer number (21757032).

Almost surely, 2^144947395 is an apocalyptic number.

144947395 is a deficient number, since it is larger than the sum of its proper divisors (29108861).

144947395 is a wasteful number, since it uses less digits than its factorization.

144947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19901.

The product of its digits is 544320, while the sum is 46.

The square root of 144947395 is about 12039.4100769099. The cubic root of 144947395 is about 525.2952473831.

The spelling of 144947395 in words is "one hundred forty-four million, nine hundred forty-seven thousand, three hundred ninety-five".