545146 has 16 divisors (see below), whose sum is σ = 975744. Its totient is φ = 223344.

The previous prime is 545143. The next prime is 545161. The reversal of 545146 is 641545.

It is a super-2 number, since 2×545146² = 594368322632, which contains 22 as substring.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 545146.

It is not an unprimeable number, because it can be changed into a prime (545141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525 + ... + 1168.

It is an arithmetic number, because the mean of its divisors is an integer number (60984).

2⁵⁴⁵¹⁴⁶ is an apocalyptic number.

545146 is a deficient number, since it is larger than the sum of its proper divisors (430598).

545146 is a wasteful number, since it uses less digits than its factorization.

545146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

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

The square root of 545146 is about 738.3400300674. The cubic root of 545146 is about 81.6903850771.

The spelling of 545146 in words is "five hundred forty-five thousand, one hundred forty-six".