155650043 has 2 divisors, whose sum is σ = 155650044. Its totient is φ = 155650042.

The previous prime is 155650031. The next prime is 155650073. The reversal of 155650043 is 340056551.

It is a weak prime.

It is an emirp because it is prime and its reverse (340056551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155650043 - 2¹⁰ = 155649019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155649988 and 155650015.

It is not a weakly prime, because it can be changed into another prime (155650013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77825021 + 77825022.

It is an arithmetic number, because the mean of its divisors is an integer number (77825022).

Almost surely, 2^155650043 is an apocalyptic number.

155650043 is a deficient number, since it is larger than the sum of its proper divisors (1).

155650043 is an equidigital number, since it uses as much as digits as its factorization.

155650043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 155650043 is about 12475.9786389686. The cubic root of 155650043 is about 537.9184185986.

The spelling of 155650043 in words is "one hundred fifty-five million, six hundred fifty thousand, forty-three".