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BaseRepresentation
bin100110000110011101
321221002001
4212012131
514443221
63202301
71216663
oct460635
9257061
10156061
11a7284
1276391
1356059
1440c33
1531391
hex2619d

156061 has 2 divisors, whose sum is σ = 156062. Its totient is φ = 156060.

The previous prime is 156059. The next prime is 156071. The reversal of 156061 is 160651.

156061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 36 = 395^2 + 6^2 .

It is an emirp because it is prime and its reverse (160651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 156061 - 21 = 156059 is a prime.

Together with 156059, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78030 + 78031.

It is an arithmetic number, because the mean of its divisors is an integer number (78031).

2156061 is an apocalyptic number.

It is an amenable number.

156061 is a deficient number, since it is larger than the sum of its proper divisors (1).

156061 is an equidigital number, since it uses as much as digits as its factorization.

156061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 156061 is about 395.0455669920. The cubic root of 156061 is about 53.8391417871.

The spelling of 156061 in words is "one hundred fifty-six thousand, sixty-one".