613223142 has 48 divisors (see below), whose sum is σ = 1461508272. Its totient is φ = 170929920.

The previous prime is 613223123. The next prime is 613223159. The reversal of 613223142 is 241322316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13383 + ... + 37490.

It is an arithmetic number, because the mean of its divisors is an integer number (30448089).

Almost surely, 2^613223142 is an apocalyptic number.

613223142 is an abundant number, since it is smaller than the sum of its proper divisors (848285130).

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

613223142 is a wasteful number, since it uses less digits than its factorization.

613223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50933 (or 50926 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 613223142 is about 24763.3427065087. The cubic root of 613223142 is about 849.5837140357.

Adding to 613223142 its reverse (241322316), we get a palindrome (854545458).

It can be divided in two parts, 61322314 and 2, that added together give a palindrome (61322316).

The spelling of 613223142 in words is "six hundred thirteen million, two hundred twenty-three thousand, one hundred forty-two".