2146555442 has 8 divisors (see below), whose sum is σ = 3294713136. Its totient is φ = 1048317732.

The previous prime is 2146555393. The next prime is 2146555459. The reversal of 2146555442 is 2445556412.

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 = 2146555396 and 2146555405.

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, 12479888 + ... + 12480059.

It is an arithmetic number, because the mean of its divisors is an integer number (411839142).

Almost surely, 2^2146555442 is an apocalyptic number.

2146555442 is a deficient number, since it is larger than the sum of its proper divisors (1148157694).

2146555442 is a wasteful number, since it uses less digits than its factorization.

2146555442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24959992.

The product of its digits is 192000, while the sum is 38.

The square root of 2146555442 is about 46330.9339642533. The cubic root of 2146555442 is about 1289.9732466459.

The spelling of 2146555442 in words is "two billion, one hundred forty-six million, five hundred fifty-five thousand, four hundred forty-two".