3154234720545 has 12 divisors (see below), whose sum is σ = 5467340182356. Its totient is φ = 1682258517600.

The previous prime is 3154234720537. The next prime is 3154234720577. The reversal of 3154234720545 is 5450274324513.

3154234720545 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 2 + 34 + 72 + 0 + 545 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 971866703889 + 2182368016656 = 985833^2 + 1477284^2 .

It is not a de Polignac number, because 3154234720545 - 2³ = 3154234720537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 70094104901 = 3154234720545 / (3 + 1 + 5 + 4 + 2 + 3 + 4 + 7 + 2 + 0 + 5 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3154234720545.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35047052406 + ... + 35047052495.

It is an arithmetic number, because the mean of its divisors is an integer number (455611681863).

Almost surely, 2^{3154234720545} is an apocalyptic number.

It is an amenable number.

3154234720545 is a deficient number, since it is larger than the sum of its proper divisors (2313105461811).

3154234720545 is a wasteful number, since it uses less digits than its factorization.

3154234720545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70094104912 (or 70094104909 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 3154234720545 in words is "three trillion, one hundred fifty-four billion, two hundred thirty-four million, seven hundred twenty thousand, five hundred forty-five".