545604156 has 18 divisors (see below), whose sum is σ = 1379166152. Its totient is φ = 181868040.

The previous prime is 545604151. The next prime is 545604161. The reversal of 545604156 is 651406545.

545604156 is a `hidden beast` number, since 5 + 4 + 560 + 41 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (545604151) and next prime (545604161).

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15155671 = 545604156 / (5 + 4 + 5 + 6 + 0 + 4 + 1 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 545604156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545604151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7577800 + ... + 7577871.

Almost surely, 2^545604156 is an apocalyptic number.

It is an amenable number.

545604156 is an abundant number, since it is smaller than the sum of its proper divisors (833561996).

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

545604156 is a wasteful number, since it uses less digits than its factorization.

545604156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155681 (or 15155676 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 545604156 is about 23358.1710756643. The cubic root of 545604156 is about 817.1326363324.

The spelling of 545604156 in words is "five hundred forty-five million, six hundred four thousand, one hundred fifty-six".