155356147 has 2 divisors, whose sum is σ = 155356148. Its totient is φ = 155356146.

The previous prime is 155356139. The next prime is 155356169. The reversal of 155356147 is 741653551.

155356147 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 is a cyclic number.

It is not a de Polignac number, because 155356147 - 2³ = 155356139 is a prime.

It is not a weakly prime, because it can be changed into another prime (155356127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77678073 + 77678074.

It is an arithmetic number, because the mean of its divisors is an integer number (77678074).

Almost surely, 2^155356147 is an apocalyptic number.

155356147 is a deficient number, since it is larger than the sum of its proper divisors (1).

155356147 is an equidigital number, since it uses as much as digits as its factorization.

155356147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 155356147 is about 12464.1945989302. The cubic root of 155356147 is about 537.5796422099.

The spelling of 155356147 in words is "one hundred fifty-five million, three hundred fifty-six thousand, one hundred forty-seven".