4005213145 has 8 divisors (see below), whose sum is σ = 4806607104. Its totient is φ = 3203936304.

The previous prime is 4005213089. The next prime is 4005213151. The reversal of 4005213145 is 5413125004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4005213145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90552 + ... + 127318.

It is an arithmetic number, because the mean of its divisors is an integer number (600825888).

Almost surely, 2^4005213145 is an apocalyptic number.

It is an amenable number.

4005213145 is a deficient number, since it is larger than the sum of its proper divisors (801393959).

4005213145 is a wasteful number, since it uses less digits than its factorization.

4005213145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58559.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4005213145 is about 63286.7533137860. The cubic root of 4005213145 is about 1588.0903652521.

Adding to 4005213145 its reverse (5413125004), we get a palindrome (9418338149).

The spelling of 4005213145 in words is "four billion, five million, two hundred thirteen thousand, one hundred forty-five".