155034043 has 2 divisors, whose sum is σ = 155034044. Its totient is φ = 155034042.

The previous prime is 155034041. The next prime is 155034073. The reversal of 155034043 is 340430551.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155034043 - 2¹ = 155034041 is a prime.

Together with 155034041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 155033999 and 155034017.

It is not a weakly prime, because it can be changed into another prime (155034041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77517021 + 77517022.

It is an arithmetic number, because the mean of its divisors is an integer number (77517022).

Almost surely, 2^155034043 is an apocalyptic number.

155034043 is a deficient number, since it is larger than the sum of its proper divisors (1).

155034043 is an equidigital number, since it uses as much as digits as its factorization.

155034043 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 25.

The square root of 155034043 is about 12451.2667227074. The cubic root of 155034043 is about 537.2078591285.

Adding to 155034043 its reverse (340430551), we get a palindrome (495464594).

The spelling of 155034043 in words is "one hundred fifty-five million, thirty-four thousand, forty-three".