156145061 has 2 divisors, whose sum is σ = 156145062. Its totient is φ = 156145060.

The previous prime is 156145037. The next prime is 156145123. The reversal of 156145061 is 160541651.

156145061 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., 143256961 + 12888100 = 11969^2 + 3590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156145061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156141061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78072530 + 78072531.

It is an arithmetic number, because the mean of its divisors is an integer number (78072531).

Almost surely, 2^156145061 is an apocalyptic number.

It is an amenable number.

156145061 is a deficient number, since it is larger than the sum of its proper divisors (1).

156145061 is an equidigital number, since it uses as much as digits as its factorization.

156145061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 156145061 is about 12495.8017349828. The cubic root of 156145061 is about 538.4880672524.

The spelling of 156145061 in words is "one hundred fifty-six million, one hundred forty-five thousand, sixty-one".