545012452 has 24 divisors (see below), whose sum is σ = 1023719256. Its totient is φ = 252960768.

The previous prime is 545012431. The next prime is 545012471. The reversal of 545012452 is 254210545.

It can be written as a sum of positive squares in 4 ways, for example, as 293916736 + 251095716 = 17144^2 + 15846^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 545012452.

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, 49933 + ... + 59860.

It is an arithmetic number, because the mean of its divisors is an integer number (42654969).

Almost surely, 2^545012452 is an apocalyptic number.

It is an amenable number.

545012452 is a deficient number, since it is larger than the sum of its proper divisors (478706804).

545012452 is a wasteful number, since it uses less digits than its factorization.

545012452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109887 (or 109885 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 545012452 is about 23345.5017508727. The cubic root of 545012452 is about 816.8371378873.

Adding to 545012452 its reverse (254210545), we get a palindrome (799222997).

It can be divided in two parts, 54501 and 2452, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 545012452 in words is "five hundred forty-five million, twelve thousand, four hundred fifty-two".