545323154625 has 480 divisors, whose sum is σ = 1156661329824. Its totient is φ = 254615961600.

The previous prime is 545323154611. The next prime is 545323154633. The reversal of 545323154625 is 526451323545.

545323154625 is a `hidden beast` number, since 5 + 4 + 5 + 3 + 2 + 3 + 15 + 4 + 625 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 416040480144 + 129282674481 = 645012^2 + 359559^2 .

It is not a de Polignac number, because 545323154625 - 2⁴ = 545323154609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 4825868569 + ... + 4825868681.

Almost surely, 2^545323154625 is an apocalyptic number.

It is an amenable number.

545323154625 is an abundant number, since it is smaller than the sum of its proper divisors (611338175199).

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

545323154625 is a wasteful number, since it uses less digits than its factorization.

545323154625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 214 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The spelling of 545323154625 in words is "five hundred forty-five billion, three hundred twenty-three million, one hundred fifty-four thousand, six hundred twenty-five".