1848045457 has 2 divisors, whose sum is σ = 1848045458. Its totient is φ = 1848045456.

The previous prime is 1848045421. The next prime is 1848045473. The reversal of 1848045457 is 7545408481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1847624256 + 421201 = 42984^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1848045457 - 2²⁷ = 1713827729 is a prime.

It is a super-2 number, since 2×1848045457² = 6830544022276677698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1848045757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924022728 + 924022729.

It is an arithmetic number, because the mean of its divisors is an integer number (924022729).

Almost surely, 2^1848045457 is an apocalyptic number.

It is an amenable number.

1848045457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848045457 is an equidigital number, since it uses as much as digits as its factorization.

1848045457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 716800, while the sum is 46.

The square root of 1848045457 is about 42988.8992299175. The cubic root of 1848045457 is about 1227.1685497084.

The spelling of 1848045457 in words is "one billion, eight hundred forty-eight million, forty-five thousand, four hundred fifty-seven".