144218808394 has 8 divisors (see below), whose sum is σ = 218470076388. Its totient is φ = 71395449600.

The previous prime is 144218808373. The next prime is 144218808403. The reversal of 144218808394 is 493808812441.

It can be written as a sum of positive squares in 2 ways, for example, as 144200189169 + 18619225 = 379737^2 + 4315^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 356977047 + ... + 356977450.

Almost surely, 2^144218808394 is an apocalyptic number.

144218808394 is a deficient number, since it is larger than the sum of its proper divisors (74251267994).

144218808394 is a wasteful number, since it uses less digits than its factorization.

144218808394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713954600.

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 144218808394 in words is "one hundred forty-four billion, two hundred eighteen million, eight hundred eight thousand, three hundred ninety-four".