2254661145 has 24 divisors (see below), whose sum is σ = 4263360192. Its totient is φ = 1093168800.

The previous prime is 2254661131. The next prime is 2254661147. The reversal of 2254661145 is 5411664522.

It is not a de Polignac number, because 2254661145 - 2¹¹ = 2254659097 is a prime.

It is a super-2 number, since 2×2254661145² = 10166993757545422050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2254661147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2276941 + ... + 2277930.

It is an arithmetic number, because the mean of its divisors is an integer number (177640008).

Almost surely, 2^2254661145 is an apocalyptic number.

It is an amenable number.

2254661145 is a deficient number, since it is larger than the sum of its proper divisors (2008699047).

2254661145 is a wasteful number, since it uses less digits than its factorization.

2254661145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554893 (or 4554890 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2254661145 is about 47483.2722650830. The cubic root of 2254661145 is about 1311.2749363594.

The spelling of 2254661145 in words is "two billion, two hundred fifty-four million, six hundred sixty-one thousand, one hundred forty-five".