860047145 has 4 divisors (see below), whose sum is σ = 1032056580. Its totient is φ = 688037712.

The previous prime is 860047127. The next prime is 860047147. The reversal of 860047145 is 541740068.

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

It can be written as a sum of positive squares in 2 ways, for example, as 111915241 + 748131904 = 10579^2 + 27352^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860047145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (860047147) 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, 86004710 + ... + 86004719.

It is an arithmetic number, because the mean of its divisors is an integer number (258014145).

Almost surely, 2^860047145 is an apocalyptic number.

It is an amenable number.

860047145 is a deficient number, since it is larger than the sum of its proper divisors (172009435).

860047145 is a wasteful number, since it uses less digits than its factorization.

860047145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172009434.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 860047145 is about 29326.5604017928. The cubic root of 860047145 is about 950.9859182797.

The spelling of 860047145 in words is "eight hundred sixty million, forty-seven thousand, one hundred forty-five".