152643 has 16 divisors (see below), whose sum is σ = 223776. Its totient is φ = 92160.
The previous prime is 152641. The next prime is 152657. The reversal of 152643 is 346251.
It is a happy number.
It is not a de Polignac number, because 152643 - 21 = 152641 is a prime.
It is a D-number.
It is not an unprimeable number, because it can be changed into a prime (152641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055 + ... + 2127.
It is an arithmetic number, because the mean of its divisors is an integer number (13986).
2152643 is an apocalyptic number.
152643 is a deficient number, since it is larger than the sum of its proper divisors (71133).
152643 is a wasteful number, since it uses less digits than its factorization.
152643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 134.
The product of its digits is 720, while the sum is 21.
The square root of 152643 is about 390.6955336320. The cubic root of 152643 is about 53.4431807168.
Adding to 152643 its reverse (346251), we get a palindrome (498894).
The spelling of 152643 in words is "one hundred fifty-two thousand, six hundred forty-three".
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