154642051320546 has 16 divisors (see below), whose sum is σ = 309292570353024. Its totient is φ = 51545939154864.

The previous prime is 154642051320481. The next prime is 154642051320557. The reversal of 154642051320546 is 645023150246451.

It is a junction number, because it is equal to n+sod(n) for n = 154642051320495 and 154642051320504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352583905 + ... + 353022228.

It is an arithmetic number, because the mean of its divisors is an integer number (19330785647064).

Almost surely, 2^{154642051320546} is an apocalyptic number.

154642051320546 is an abundant number, since it is smaller than the sum of its proper divisors (154650519032478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154642051320546 is a wasteful number, since it uses less digits than its factorization.

154642051320546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705642665.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 154642051320546 in words is "one hundred fifty-four trillion, six hundred forty-two billion, fifty-one million, three hundred twenty thousand, five hundred forty-six".