154100212644643 has 2 divisors, whose sum is σ = 154100212644644. Its totient is φ = 154100212644642.

The previous prime is 154100212644563. The next prime is 154100212644689. The reversal of 154100212644643 is 346446212001451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154100212644643 - 2¹³ = 154100212636451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154100212644643.

It is not a weakly prime, because it can be changed into another prime (154100212641643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77050106322321 + 77050106322322.

It is an arithmetic number, because the mean of its divisors is an integer number (77050106322322).

Almost surely, 2^{154100212644643} is an apocalyptic number.

154100212644643 is a deficient number, since it is larger than the sum of its proper divisors (1).

154100212644643 is an equidigital number, since it uses as much as digits as its factorization.

154100212644643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 154100212644643 in words is "one hundred fifty-four trillion, one hundred billion, two hundred twelve million, six hundred forty-four thousand, six hundred forty-three".