80156 has 12 divisors (see below), whose sum is σ = 145320. Its totient is φ = 38640.
The previous prime is 80153. The next prime is 80167. The reversal of 80156 is 65108.
It is a super-3 number, since 3×801563 = 1545003133309248, which contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80153) 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, 230 + ... + 461.
It is an arithmetic number, because the mean of its divisors is an integer number (12110).
280156 is an apocalyptic number.
It is an amenable number.
80156 is a deficient number, since it is larger than the sum of its proper divisors (65164).
80156 is a wasteful number, since it uses less digits than its factorization.
80156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 724 (or 722 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 80156 is about 283.1183498115. The cubic root of 80156 is about 43.1166832663.
The spelling of 80156 in words is "eighty thousand, one hundred fifty-six".
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