154557849107 has 2 divisors, whose sum is σ = 154557849108. Its totient is φ = 154557849106.

The previous prime is 154557849097. The next prime is 154557849133. The reversal of 154557849107 is 701948755451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154557849107 - 2¹⁰ = 154557848083 is a prime.

It is not a weakly prime, because it can be changed into another prime (154557849137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77278924553 + 77278924554.

It is an arithmetic number, because the mean of its divisors is an integer number (77278924554).

Almost surely, 2^154557849107 is an apocalyptic number.

154557849107 is a deficient number, since it is larger than the sum of its proper divisors (1).

154557849107 is an equidigital number, since it uses as much as digits as its factorization.

154557849107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056000, while the sum is 56.

The spelling of 154557849107 in words is "one hundred fifty-four billion, five hundred fifty-seven million, eight hundred forty-nine thousand, one hundred seven".