611422142 has 4 divisors (see below), whose sum is σ = 917133216. Its totient is φ = 305711070.

The previous prime is 611422139. The next prime is 611422157. The reversal of 611422142 is 241224116.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 152855534 + ... + 152855537.

It is an arithmetic number, because the mean of its divisors is an integer number (229283304).

Almost surely, 2^611422142 is an apocalyptic number.

611422142 is a deficient number, since it is larger than the sum of its proper divisors (305711074).

611422142 is a wasteful number, since it uses less digits than its factorization.

611422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305711073.

The product of its digits is 768, while the sum is 23.

The square root of 611422142 is about 24726.9517328764. The cubic root of 611422142 is about 848.7511728008.

Adding to 611422142 its reverse (241224116), we get a palindrome (852646258).

The spelling of 611422142 in words is "six hundred eleven million, four hundred twenty-two thousand, one hundred forty-two".