155833 has 2 divisors, whose sum is σ = 155834. Its totient is φ = 155832.

The previous prime is 155821. The next prime is 155849. The reversal of 155833 is 338551.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110889 + 44944 = 333^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 155833 - 2⁵ = 155801 is a prime.

155833 is a lucky number.

It is a plaindrome in base 9.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 155798 and 155807.

It is not a weakly prime, because it can be changed into another prime (155863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77916 + 77917.

It is an arithmetic number, because the mean of its divisors is an integer number (77917).

2¹⁵⁵⁸³³ is an apocalyptic number.

It is an amenable number.

155833 is a deficient number, since it is larger than the sum of its proper divisors (1).

155833 is an equidigital number, since it uses as much as digits as its factorization.

155833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 155833 is about 394.7568872103. The cubic root of 155833 is about 53.8129099351.

The spelling of 155833 in words is "one hundred fifty-five thousand, eight hundred thirty-three".