4005026145 has 12 divisors (see below), whose sum is σ = 6942045396. Its totient is φ = 2136013920.

The previous prime is 4005026071. The next prime is 4005026159. The reversal of 4005026145 is 5416205004.

4005026145 is a `hidden beast` number, since 40 + 0 + 5 + 0 + 2 + 614 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3198920481 + 806105664 = 56559^2 + 28392^2 .

It is not a de Polignac number, because 4005026145 - 2²² = 4000831841 is a prime.

It is a super-2 number, since 2×4005026145² = 32080468844267122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44500246 + ... + 44500335.

It is an arithmetic number, because the mean of its divisors is an integer number (578503783).

Almost surely, 2^4005026145 is an apocalyptic number.

4005026145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4005026145 is a deficient number, since it is larger than the sum of its proper divisors (2937019251).

4005026145 is a wasteful number, since it uses less digits than its factorization.

4005026145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89000592 (or 89000589 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4005026145 is about 63285.2758941604. The cubic root of 4005026145 is about 1588.0656493373.

The spelling of 4005026145 in words is "four billion, five million, twenty-six thousand, one hundred forty-five".