572146 has 4 divisors (see below), whose sum is σ = 858222. Its totient is φ = 286072.

The previous prime is 572137. The next prime is 572161. The reversal of 572146 is 641275.

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

It can be written as a sum of positive squares in only one way, i.e., 403225 + 168921 = 635^2 + 411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 572146.

It is an unprimeable number.

572146 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143035 + ... + 143038.

2⁵⁷²¹⁴⁶ is an apocalyptic number.

572146 is a deficient number, since it is larger than the sum of its proper divisors (286076).

572146 is a wasteful number, since it uses less digits than its factorization.

572146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286075.

The product of its digits is 1680, while the sum is 25.

The square root of 572146 is about 756.4033315633. The cubic root of 572146 is about 83.0173670534.

The spelling of 572146 in words is "five hundred seventy-two thousand, one hundred forty-six".