1848912945 has 64 divisors (see below), whose sum is σ = 3438360576. Its totient is φ = 838446080.

The previous prime is 1848912941. The next prime is 1848912991. The reversal of 1848912945 is 5492198481.

It is not a de Polignac number, because 1848912945 - 2² = 1848912941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1848912941) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 466462 + ... + 470408.

It is an arithmetic number, because the mean of its divisors is an integer number (53724384).

Almost surely, 2^1848912945 is an apocalyptic number.

1848912945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1848912945 is a deficient number, since it is larger than the sum of its proper divisors (1589447631).

1848912945 is a wasteful number, since it uses less digits than its factorization.

1848912945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150.

The product of its digits is 829440, while the sum is 51.

The square root of 1848912945 is about 42998.9877206429. The cubic root of 1848912945 is about 1227.3605340668.

The spelling of 1848912945 in words is "one billion, eight hundred forty-eight million, nine hundred twelve thousand, nine hundred forty-five".