656146142 has 8 divisors (see below), whose sum is σ = 998909256. Its totient is φ = 323176392.

The previous prime is 656146129. The next prime is 656146157. The reversal of 656146142 is 241641656.

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

It is a super-2 number, since 2×656146142² = 861055519322968328, which contains 22 as substring.

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, 2448173 + ... + 2448440.

It is an arithmetic number, because the mean of its divisors is an integer number (124863657).

Almost surely, 2^656146142 is an apocalyptic number.

656146142 is a deficient number, since it is larger than the sum of its proper divisors (342763114).

656146142 is a wasteful number, since it uses less digits than its factorization.

656146142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896682.

The product of its digits is 34560, while the sum is 35.

The square root of 656146142 is about 25615.3497340950. The cubic root of 656146142 is about 868.9608158601.

Adding to 656146142 its reverse (241641656), we get a palindrome (897787798).

The spelling of 656146142 in words is "six hundred fifty-six million, one hundred forty-six thousand, one hundred forty-two".