1144192 has 32 divisors (see below), whose sum is σ = 2607120. Its totient is φ = 489984.
The previous prime is 1144183. The next prime is 1144193. The reversal of 1144192 is 2914411.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1144193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258 + ... + 1534.
21144192 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 1144192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303560).
1144192 is an abundant number, since it is smaller than the sum of its proper divisors (1462928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1144192 is an equidigital number, since it uses as much as digits as its factorization.
1144192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1298 (or 1286 counting only the distinct ones).
The product of its digits is 288, while the sum is 22.
The square root of 1144192 is about 1069.6691077151. The cubic root of 1144192 is about 104.5922812969.
The spelling of 1144192 in words is "one million, one hundred forty-four thousand, one hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •