156145601 has 2 divisors, whose sum is σ = 156145602. Its totient is φ = 156145600.

The previous prime is 156145567. The next prime is 156145603. The reversal of 156145601 is 106541651.

156145601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111936400 + 44209201 = 10580^2 + 6649^2 .

It is a cyclic number.

It is not a de Polignac number, because 156145601 - 2¹⁴ = 156129217 is a prime.

Together with 156145603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (156145603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78072800 + 78072801.

It is an arithmetic number, because the mean of its divisors is an integer number (78072801).

Almost surely, 2^156145601 is an apocalyptic number.

It is an amenable number.

156145601 is a deficient number, since it is larger than the sum of its proper divisors (1).

156145601 is an equidigital number, since it uses as much as digits as its factorization.

156145601 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 156145601 is about 12495.8233422212. The cubic root of 156145601 is about 538.4886880068.

The spelling of 156145601 in words is "one hundred fifty-six million, one hundred forty-five thousand, six hundred one".