154340636534545 has 8 divisors (see below), whose sum is σ = 194956593517440. Its totient is φ = 116973956110320.

The previous prime is 154340636534533. The next prime is 154340636534551. The reversal of 154340636534545 is 545435636043451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 154340636534545 - 2⁷ = 154340636534417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154340636534545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812319139561 + ... + 812319139750.

It is an arithmetic number, because the mean of its divisors is an integer number (24369574189680).

Almost surely, 2^{154340636534545} is an apocalyptic number.

It is an amenable number.

154340636534545 is a deficient number, since it is larger than the sum of its proper divisors (40615956982895).

154340636534545 is a wasteful number, since it uses less digits than its factorization.

154340636534545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624638279335.

The product of its (nonzero) digits is 155520000, while the sum is 58.

The spelling of 154340636534545 in words is "one hundred fifty-four trillion, three hundred forty billion, six hundred thirty-six million, five hundred thirty-four thousand, five hundred forty-five".