545306756 has 12 divisors (see below), whose sum is σ = 1010421468. Its totient is φ = 256614912.

The previous prime is 545306731. The next prime is 545306759. The reversal of 545306756 is 657603545.

It can be written as a sum of positive squares in 2 ways, for example, as 460960900 + 84345856 = 21470^2 + 9184^2 .

It is not an unprimeable number, because it can be changed into a prime (545306759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009541 + ... + 4009676.

It is an arithmetic number, because the mean of its divisors is an integer number (84201789).

Almost surely, 2^545306756 is an apocalyptic number.

It is an amenable number.

545306756 is a deficient number, since it is larger than the sum of its proper divisors (465114712).

545306756 is a wasteful number, since it uses less digits than its factorization.

545306756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019238 (or 8019236 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 545306756 is about 23351.8041273046. The cubic root of 545306756 is about 816.9841407541.

The spelling of 545306756 in words is "five hundred forty-five million, three hundred six thousand, seven hundred fifty-six".