152244 has 18 divisors (see below), whose sum is σ = 384930. Its totient is φ = 50736.
The previous prime is 152239. The next prime is 152249. The reversal of 152244 is 442251.
It is an interprime number because it is at equal distance from previous prime (152239) and next prime (152249).
It can be written as a sum of positive squares in only one way, i.e., 152100 + 144 = 390^2 + 12^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152249) by changing a digit.
152244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2079 + ... + 2150.
It is an arithmetic number, because the mean of its divisors is an integer number (21385).
2152244 is an apocalyptic number.
It is an amenable number.
152244 is an abundant number, since it is smaller than the sum of its proper divisors (232686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152244 is a wasteful number, since it uses less digits than its factorization.
152244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4239 (or 4234 counting only the distinct ones).
The product of its digits is 320, while the sum is 18.
The square root of 152244 is about 390.1845717093. The cubic root of 152244 is about 53.3965742868.
Adding to 152244 its reverse (442251), we get a palindrome (594495).
The spelling of 152244 in words is "one hundred fifty-two thousand, two hundred forty-four".
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