611377142 has 8 divisors (see below), whose sum is σ = 921412632. Its totient is φ = 304239600.

The previous prime is 611377073. The next prime is 611377157. The reversal of 611377142 is 241773116.

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

It is a junction number, because it is equal to n+sod(n) for n = 611377099 and 611377108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723959 + ... + 724802.

It is an arithmetic number, because the mean of its divisors is an integer number (115176579).

Almost surely, 2^611377142 is an apocalyptic number.

611377142 is a deficient number, since it is larger than the sum of its proper divisors (310035490).

611377142 is a wasteful number, since it uses less digits than its factorization.

611377142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448974.

The product of its digits is 7056, while the sum is 32.

The square root of 611377142 is about 24726.0417778503. The cubic root of 611377142 is about 848.7303499044.

The spelling of 611377142 in words is "six hundred eleven million, three hundred seventy-seven thousand, one hundred forty-two".