144500215 has 8 divisors (see below), whose sum is σ = 175776048. Its totient is φ = 114016320.

The previous prime is 144500189. The next prime is 144500249. The reversal of 144500215 is 512005441.

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

It is not a de Polignac number, because 144500215 - 2²⁷ = 10282487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197581 + ... + 198310.

It is an arithmetic number, because the mean of its divisors is an integer number (21972006).

Almost surely, 2^144500215 is an apocalyptic number.

144500215 is a deficient number, since it is larger than the sum of its proper divisors (31275833).

144500215 is an equidigital number, since it uses as much as digits as its factorization.

144500215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395969.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 144500215 is about 12020.8242229890. The cubic root of 144500215 is about 524.7544914074.

Adding to 144500215 its reverse (512005441), we get a palindrome (656505656).

The spelling of 144500215 in words is "one hundred forty-four million, five hundred thousand, two hundred fifteen".