154304042663243 has 16 divisors (see below), whose sum is σ = 180397761244416. Its totient is φ = 130551011411040.

The previous prime is 154304042663207. The next prime is 154304042663257. The reversal of 154304042663243 is 342366240403451.

It is not a de Polignac number, because 154304042663243 - 2³⁶ = 154235323186507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154304042663263) 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, 8241847421 + ... + 8241866142.

It is an arithmetic number, because the mean of its divisors is an integer number (11274860077776).

Almost surely, 2^{154304042663243} is an apocalyptic number.

154304042663243 is a deficient number, since it is larger than the sum of its proper divisors (26093718581173).

154304042663243 is a wasteful number, since it uses less digits than its factorization.

154304042663243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16483713634.

The product of its (nonzero) digits is 4976640, while the sum is 47.

The spelling of 154304042663243 in words is "one hundred fifty-four trillion, three hundred four billion, forty-two million, six hundred sixty-three thousand, two hundred forty-three".