2556155146 has 8 divisors (see below), whose sum is σ = 3868164324. Its totient is φ = 1266767040.

The previous prime is 2556155057. The next prime is 2556155191. The reversal of 2556155146 is 6415516552.

It can be written as a sum of positive squares in 2 ways, for example, as 1564598025 + 991557121 = 39555^2 + 31489^2 .

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 = 2556155099 and 2556155108.

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, 5654985 + ... + 5655436.

Almost surely, 2^2556155146 is an apocalyptic number.

2556155146 is a deficient number, since it is larger than the sum of its proper divisors (1312009178).

2556155146 is a wasteful number, since it uses less digits than its factorization.

2556155146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11310536.

The product of its digits is 180000, while the sum is 40.

The square root of 2556155146 is about 50558.4329860015. The cubic root of 2556155146 is about 1367.2955592094.

The spelling of 2556155146 in words is "two billion, five hundred fifty-six million, one hundred fifty-five thousand, one hundred forty-six".