154105145514643 has 16 divisors (see below), whose sum is σ = 158913087258240. Its totient is φ = 149347697241600.

The previous prime is 154105145514601. The next prime is 154105145514751. The reversal of 154105145514643 is 346415541501451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154105145514643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154105145511643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20076063 + ... + 26669431.

It is an arithmetic number, because the mean of its divisors is an integer number (9932067953640).

Almost surely, 2^{154105145514643} is an apocalyptic number.

154105145514643 is a deficient number, since it is larger than the sum of its proper divisors (4807941743597).

154105145514643 is a wasteful number, since it uses less digits than its factorization.

154105145514643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597198.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 154105145514643 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred forty-five million, five hundred fourteen thousand, six hundred forty-three".