612306142 has 8 divisors (see below), whose sum is σ = 1049667696. Its totient is φ = 262416912.

The previous prime is 612306133. The next prime is 612306151. The reversal of 612306142 is 241603216.

It is an interprime number because it is at equal distance from previous prime (612306133) and next prime (612306151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21868063 + ... + 21868090.

It is an arithmetic number, because the mean of its divisors is an integer number (131208462).

Almost surely, 2^612306142 is an apocalyptic number.

612306142 is a deficient number, since it is larger than the sum of its proper divisors (437361554).

612306142 is a wasteful number, since it uses less digits than its factorization.

612306142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43736162.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 612306142 is about 24744.8205085428. The cubic root of 612306142 is about 849.1600200223.

Adding to 612306142 its reverse (241603216), we get a palindrome (853909358).

The spelling of 612306142 in words is "six hundred twelve million, three hundred six thousand, one hundred forty-two".