256433102 has 8 divisors (see below), whose sum is σ = 385004856. Its totient is φ = 128098152.

The previous prime is 256433087. The next prime is 256433143. The reversal of 256433102 is 201334652.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 56468 + ... + 60839.

It is an arithmetic number, because the mean of its divisors is an integer number (48125607).

Almost surely, 2^256433102 is an apocalyptic number.

256433102 is a deficient number, since it is larger than the sum of its proper divisors (128571754).

256433102 is a wasteful number, since it uses less digits than its factorization.

256433102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118402.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 256433102 is about 16013.5287179310. The cubic root of 256433102 is about 635.3182953839.

Adding to 256433102 its reverse (201334652), we get a palindrome (457767754).

The spelling of 256433102 in words is "two hundred fifty-six million, four hundred thirty-three thousand, one hundred two".