144868392 has 64 divisors (see below), whose sum is σ = 405657600. Its totient is φ = 47900160.

The previous prime is 144868391. The next prime is 144868393. The reversal of 144868392 is 293868441.

It is a happy number.

144868392 is a `hidden beast` number, since 1 + 4 + 486 + 83 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (144868391) and next prime (144868393).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (144868391) 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, 24792 + ... + 30072.

It is an arithmetic number, because the mean of its divisors is an integer number (6338400).

Almost surely, 2^144868392 is an apocalyptic number.

144868392 is a gapful number since it is divisible by the number (12) 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 144868392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202828800).

144868392 is an abundant number, since it is smaller than the sum of its proper divisors (260789208).

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

144868392 is a wasteful number, since it uses less digits than its factorization.

144868392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5423 (or 5413 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 144868392 is about 12036.1286134704. The cubic root of 144868392 is about 525.1997933450.

The spelling of 144868392 in words is "one hundred forty-four million, eight hundred sixty-eight thousand, three hundred ninety-two".