144263808 has 256 divisors, whose sum is σ = 485520000. Its totient is φ = 42052608.

The previous prime is 144263803. The next prime is 144263831. The reversal of 144263808 is 808362441.

144263808 is a `hidden beast` number, since 14 + 4 + 2 + 638 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144263803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7592823 + ... + 7592841.

Almost surely, 2^144263808 is an apocalyptic number.

144263808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144263808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242760000).

144263808 is an abundant number, since it is smaller than the sum of its proper divisors (341256192).

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

144263808 is an equidigital number, since it uses as much as digits as its factorization.

144263808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 37 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 144263808 is about 12010.9869702702. The cubic root of 144263808 is about 524.4681634606.

The spelling of 144263808 in words is "one hundred forty-four million, two hundred sixty-three thousand, eight hundred eight".