4155561146345 has 16 divisors (see below), whose sum is σ = 5740055690880. Its totient is φ = 2829027441024.

The previous prime is 4155561146311. The next prime is 4155561146413. The reversal of 4155561146345 is 5436411655514.

It is a cyclic number.

It is not a de Polignac number, because 4155561146345 - 2³⁰ = 4154487404521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4155561146293 and 4155561146302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427082612 + ... + 427092341.

It is an arithmetic number, because the mean of its divisors is an integer number (358753480680).

Almost surely, 2^{4155561146345} is an apocalyptic number.

It is an amenable number.

4155561146345 is a deficient number, since it is larger than the sum of its proper divisors (1584494544535).

4155561146345 is a wasteful number, since it uses less digits than its factorization.

4155561146345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854175104.

The product of its digits is 4320000, while the sum is 50.

The spelling of 4155561146345 in words is "four trillion, one hundred fifty-five billion, five hundred sixty-one million, one hundred forty-six thousand, three hundred forty-five".