155043654193 has 2 divisors, whose sum is σ = 155043654194. Its totient is φ = 155043654192.

The previous prime is 155043654131. The next prime is 155043654257. The reversal of 155043654193 is 391456340551.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153685952784 + 1357701409 = 392028^2 + 36847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155043654193 is a prime.

It is not a weakly prime, because it can be changed into another prime (155043694193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77521827096 + 77521827097.

It is an arithmetic number, because the mean of its divisors is an integer number (77521827097).

Almost surely, 2^155043654193 is an apocalyptic number.

It is an amenable number.

155043654193 is a deficient number, since it is larger than the sum of its proper divisors (1).

155043654193 is an equidigital number, since it uses as much as digits as its factorization.

155043654193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 155043654193 in words is "one hundred fifty-five billion, forty-three million, six hundred fifty-four thousand, one hundred ninety-three".