545263156 has 6 divisors (see below), whose sum is σ = 954210530. Its totient is φ = 272631576.

The previous prime is 545263153. The next prime is 545263157. The reversal of 545263156 is 651362545.

It can be written as a sum of positive squares in only one way, i.e., 379626256 + 165636900 = 19484^2 + 12870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545263153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68157891 + ... + 68157898.

Almost surely, 2^545263156 is an apocalyptic number.

It is an amenable number.

545263156 is a deficient number, since it is larger than the sum of its proper divisors (408947374).

545263156 is a wasteful number, since it uses less digits than its factorization.

545263156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136315793 (or 136315791 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 545263156 is about 23350.8705619298. The cubic root of 545263156 is about 816.9623661857.

The spelling of 545263156 in words is "five hundred forty-five million, two hundred sixty-three thousand, one hundred fifty-six".