256545614 has 16 divisors (see below), whose sum is σ = 416531808. Its totient is φ = 117802272.

The previous prime is 256545587. The next prime is 256545617. The reversal of 256545614 is 416545652.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256545617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19922 + ... + 30165.

It is an arithmetic number, because the mean of its divisors is an integer number (26033238).

Almost surely, 2^256545614 is an apocalyptic number.

256545614 is a deficient number, since it is larger than the sum of its proper divisors (159986194).

256545614 is a wasteful number, since it uses less digits than its factorization.

256545614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50299.

The product of its digits is 144000, while the sum is 38.

The square root of 256545614 is about 16017.0413622491. The cubic root of 256545614 is about 635.4111987308.

Adding to 256545614 its sum of digits (38), we get a palindrome (256545652).

The spelling of 256545614 in words is "two hundred fifty-six million, five hundred forty-five thousand, six hundred fourteen".