2045255641 has 16 divisors (see below), whose sum is σ = 2442218688. Its totient is φ = 1688155200.

The previous prime is 2045255633. The next prime is 2045255671. The reversal of 2045255641 is 1465525402.

It is a cyclic number.

It is not a de Polignac number, because 2045255641 - 2³ = 2045255633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045255597 and 2045255606.

It is not an unprimeable number, because it can be changed into a prime (2045255671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108511 + ... + 125956.

It is an arithmetic number, because the mean of its divisors is an integer number (152638668).

Almost surely, 2^2045255641 is an apocalyptic number.

It is an amenable number.

2045255641 is a deficient number, since it is larger than the sum of its proper divisors (396963047).

2045255641 is a wasteful number, since it uses less digits than its factorization.

2045255641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234552.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 2045255641 is about 45224.5026617209. The cubic root of 2045255641 is about 1269.3533486450.

The spelling of 2045255641 in words is "two billion, forty-five million, two hundred fifty-five thousand, six hundred forty-one".