144215808 has 144 divisors (see below), whose sum is σ = 429534336. Its totient is φ = 42577920.

The previous prime is 144215803. The next prime is 144215831. The reversal of 144215808 is 808512441.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144215803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363066 + ... + 363462.

Almost surely, 2^144215808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144215808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214767168).

144215808 is an abundant number, since it is smaller than the sum of its proper divisors (285318528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144215808 is a wasteful number, since it uses less digits than its factorization.

144215808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 144215808 is about 12008.9886335195. The cubic root of 144215808 is about 524.4099893310.

The spelling of 144215808 in words is "one hundred forty-four million, two hundred fifteen thousand, eight hundred eight".