144450215 has 24 divisors (see below), whose sum is σ = 214522848. Its totient is φ = 91428480.

The previous prime is 144450209. The next prime is 144450221. The reversal of 144450215 is 512054441.

It is an interprime number because it is at equal distance from previous prime (144450209) and next prime (144450221).

It is not a de Polignac number, because 144450215 - 2⁴ = 144450199 is a prime.

It is a super-2 number, since 2×144450215² = 41731729227092450, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6296 + ... + 18125.

It is an arithmetic number, because the mean of its divisors is an integer number (8938452).

Almost surely, 2^144450215 is an apocalyptic number.

144450215 is a deficient number, since it is larger than the sum of its proper divisors (70072633).

144450215 is a wasteful number, since it uses less digits than its factorization.

144450215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24459 (or 24446 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 144450215 is about 12018.7443187714. The cubic root of 144450215 is about 524.6939591990.

The spelling of 144450215 in words is "one hundred forty-four million, four hundred fifty thousand, two hundred fifteen".