4145261347 has 4 divisors (see below), whose sum is σ = 4148046760. Its totient is φ = 4142475936.

The previous prime is 4145261333. The next prime is 4145261357. The reversal of 4145261347 is 7431625414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4145261347 - 2¹⁹ = 4144737059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145261327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390473 + ... + 1393450.

It is an arithmetic number, because the mean of its divisors is an integer number (1037011690).

Almost surely, 2^4145261347 is an apocalyptic number.

4145261347 is a deficient number, since it is larger than the sum of its proper divisors (2785413).

4145261347 is a wasteful number, since it uses less digits than its factorization.

4145261347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785412.

The product of its digits is 80640, while the sum is 37.

The square root of 4145261347 is about 64383.7040484624. The cubic root of 4145261347 is about 1606.3886943035.

The spelling of 4145261347 in words is "four billion, one hundred forty-five million, two hundred sixty-one thousand, three hundred forty-seven".