155034400043 has 2 divisors, whose sum is σ = 155034400044. Its totient is φ = 155034400042.

The previous prime is 155034400019. The next prime is 155034400189. The reversal of 155034400043 is 340004430551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155034400043 - 2¹² = 155034395947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155034399979 and 155034400015.

It is not a weakly prime, because it can be changed into another prime (155034400343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77517200021 + 77517200022.

It is an arithmetic number, because the mean of its divisors is an integer number (77517200022).

Almost surely, 2^155034400043 is an apocalyptic number.

155034400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

155034400043 is an equidigital number, since it uses as much as digits as its factorization.

155034400043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 155034400043 its reverse (340004430551), we get a palindrome (495038830594).

The spelling of 155034400043 in words is "one hundred fifty-five billion, thirty-four million, four hundred thousand, forty-three".