156000101 has 2 divisors, whose sum is σ = 156000102. Its totient is φ = 156000100.

The previous prime is 156000079. The next prime is 156000137. The reversal of 156000101 is 101000651.

It is a Cunningham number, because it is equal to 12490²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156000100 + 1 = 12490^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156000101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156000151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78000050 + 78000051.

It is an arithmetic number, because the mean of its divisors is an integer number (78000051).

Almost surely, 2^156000101 is an apocalyptic number.

It is an amenable number.

156000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

156000101 is an equidigital number, since it uses as much as digits as its factorization.

156000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 156000101 is about 12490.0000400320. Note that the first 4 decimals coincide. The cubic root of 156000101 is about 538.3213773849.

Adding to 156000101 its reverse (101000651), we get a palindrome (257000752).

The spelling of 156000101 in words is "one hundred fifty-six million, one hundred one", and thus it is an aban number.