577142 has 4 divisors (see below), whose sum is σ = 865716. Its totient is φ = 288570.

The previous prime is 577123. The next prime is 577147. The reversal of 577142 is 241775.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 577142.

It is not an unprimeable number, because it can be changed into a prime (577147) by changing a digit.

577142 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, 144284 + ... + 144287.

It is an arithmetic number, because the mean of its divisors is an integer number (216429).

2⁵⁷⁷¹⁴² is an apocalyptic number.

577142 is a deficient number, since it is larger than the sum of its proper divisors (288574).

577142 is a wasteful number, since it uses less digits than its factorization.

577142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288573.

The product of its digits is 1960, while the sum is 26.

The square root of 577142 is about 759.6986244558. The cubic root of 577142 is about 83.2583040231.

The spelling of 577142 in words is "five hundred seventy-seven thousand, one hundred forty-two".