154395046079 has 2 divisors, whose sum is σ = 154395046080. Its totient is φ = 154395046078.

The previous prime is 154395046037. The next prime is 154395046133. The reversal of 154395046079 is 970640593451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154395046079 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154395046079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154395046019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77197523039 + 77197523040.

It is an arithmetic number, because the mean of its divisors is an integer number (77197523040).

Almost surely, 2^154395046079 is an apocalyptic number.

154395046079 is a deficient number, since it is larger than the sum of its proper divisors (1).

154395046079 is an equidigital number, since it uses as much as digits as its factorization.

154395046079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 154395046079 in words is "one hundred fifty-four billion, three hundred ninety-five million, forty-six thousand, seventy-nine".