2256231301645 has 16 divisors (see below), whose sum is σ = 2825285432832. Its totient is φ = 1726451541760.

The previous prime is 2256231301613. The next prime is 2256231301669. The reversal of 2256231301645 is 5461031326522.

It is not a de Polignac number, because 2256231301645 - 2⁵ = 2256231301613 is a prime.

It is a super-3 number, since 3×2256231301645³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2256231301598 and 2256231301607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443244 + ... + 4045786.

It is an arithmetic number, because the mean of its divisors is an integer number (176580339552).

Almost surely, 2^{2256231301645} is an apocalyptic number.

It is an amenable number.

2256231301645 is a deficient number, since it is larger than the sum of its proper divisors (569054131187).

2256231301645 is a wasteful number, since it uses less digits than its factorization.

2256231301645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635132.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 2256231301645 in words is "two trillion, two hundred fifty-six billion, two hundred thirty-one million, three hundred one thousand, six hundred forty-five".