1845713145 has 8 divisors (see below), whose sum is σ = 2953141056. Its totient is φ = 984380336.

The previous prime is 1845713141. The next prime is 1845713147. The reversal of 1845713145 is 5413175481.

1845713145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1845713145 - 2² = 1845713141 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 1845 and 713145 contains 1845713145 itself.

It is not an unprimeable number, because it can be changed into a prime (1845713141) 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, 61523757 + ... + 61523786.

It is an arithmetic number, because the mean of its divisors is an integer number (369142632).

Almost surely, 2^1845713145 is an apocalyptic number.

1845713145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1845713145 is a deficient number, since it is larger than the sum of its proper divisors (1107427911).

1845713145 is a wasteful number, since it uses less digits than its factorization.

1845713145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123047551.

The product of its digits is 67200, while the sum is 39.

The square root of 1845713145 is about 42961.7637556933. The cubic root of 1845713145 is about 1226.6520860727.

The spelling of 1845713145 in words is "one billion, eight hundred forty-five million, seven hundred thirteen thousand, one hundred forty-five".