155404112147 has 2 divisors, whose sum is σ = 155404112148. Its totient is φ = 155404112146.

The previous prime is 155404112119. The next prime is 155404112179. The reversal of 155404112147 is 741211404551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155404112147 - 2²² = 155399917843 is a prime.

It is not a weakly prime, because it can be changed into another prime (155404112047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77702056073 + 77702056074.

It is an arithmetic number, because the mean of its divisors is an integer number (77702056074).

Almost surely, 2^155404112147 is an apocalyptic number.

155404112147 is a deficient number, since it is larger than the sum of its proper divisors (1).

155404112147 is an equidigital number, since it uses as much as digits as its factorization.

155404112147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 155404112147 its reverse (741211404551), we get a palindrome (896615516698).

The spelling of 155404112147 in words is "one hundred fifty-five billion, four hundred four million, one hundred twelve thousand, one hundred forty-seven".