1848486545 has 4 divisors (see below), whose sum is σ = 2218183860. Its totient is φ = 1478789232.

The previous prime is 1848486529. The next prime is 1848486553. The reversal of 1848486545 is 5456848481.

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 978000529 + 870486016 = 31273^2 + 29504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1848486545 - 2⁴ = 1848486529 is a prime.

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, 184848650 + ... + 184848659.

It is an arithmetic number, because the mean of its divisors is an integer number (554545965).

Almost surely, 2^1848486545 is an apocalyptic number.

It is an amenable number.

1848486545 is a deficient number, since it is larger than the sum of its proper divisors (369697315).

1848486545 is an equidigital number, since it uses as much as digits as its factorization.

1848486545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369697314.

The product of its digits is 4915200, while the sum is 53.

The square root of 1848486545 is about 42994.0291784801. The cubic root of 1848486545 is about 1227.2661746992.

The spelling of 1848486545 in words is "one billion, eight hundred forty-eight million, four hundred eighty-six thousand, five hundred forty-five".