4145712605 has 4 divisors (see below), whose sum is σ = 4974855132. Its totient is φ = 3316570080.

The previous prime is 4145712589. The next prime is 4145712617. The reversal of 4145712605 is 5062175414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5062175414 = 2 ⋅2531087707.

It can be written as a sum of positive squares in 2 ways, for example, as 2082827044 + 2062885561 = 45638^2 + 45419^2 .

It is not a de Polignac number, because 4145712605 - 2⁴ = 4145712589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414571256 + ... + 414571265.

It is an arithmetic number, because the mean of its divisors is an integer number (1243713783).

Almost surely, 2^4145712605 is an apocalyptic number.

It is an amenable number.

4145712605 is a deficient number, since it is larger than the sum of its proper divisors (829142527).

4145712605 is an equidigital number, since it uses as much as digits as its factorization.

4145712605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829142526.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 4145712605 is about 64387.2083957676. The cubic root of 4145712605 is about 1606.4469833060.

The spelling of 4145712605 in words is "four billion, one hundred forty-five million, seven hundred twelve thousand, six hundred five".