6145971605 has 8 divisors (see below), whose sum is σ = 7382569272. Its totient is φ = 4911841728.

The previous prime is 6145971599. The next prime is 6145971607. The reversal of 6145971605 is 5061795416.

It can be written as a sum of positive squares in 4 ways, for example, as 694955044 + 5451016561 = 26362^2 + 73831^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6145971605 - 2²⁸ = 5877536149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6145971607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611462 + ... + 621431.

It is an arithmetic number, because the mean of its divisors is an integer number (922821159).

Almost surely, 2^6145971605 is an apocalyptic number.

It is an amenable number.

6145971605 is a deficient number, since it is larger than the sum of its proper divisors (1236597667).

6145971605 is a wasteful number, since it uses less digits than its factorization.

6145971605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233895.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 6145971605 is about 78396.2473910582. The cubic root of 6145971605 is about 1831.7386807027.

The spelling of 6145971605 in words is "six billion, one hundred forty-five million, nine hundred seventy-one thousand, six hundred five".