546145 has 4 divisors (see below), whose sum is σ = 655380. Its totient is φ = 436912.

The previous prime is 546137. The next prime is 546149. The reversal of 546145 is 541645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 214369 = 576^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 546145 - 2³ = 546137 is a prime.

It is a super-2 number, since 2×546145² = 596548722050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (546149) 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, 54610 + ... + 54619.

It is an arithmetic number, because the mean of its divisors is an integer number (163845).

2⁵⁴⁶¹⁴⁵ is an apocalyptic number.

It is an amenable number.

546145 is a deficient number, since it is larger than the sum of its proper divisors (109235).

546145 is a wasteful number, since it uses less digits than its factorization.

546145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109234.

The product of its digits is 2400, while the sum is 25.

The square root of 546145 is about 739.0162379813. The cubic root of 546145 is about 81.7402548338.

The spelling of 546145 in words is "five hundred forty-six thousand, one hundred forty-five".