1854865048 has 8 divisors (see below), whose sum is σ = 3477871980. Its totient is φ = 927432520.

The previous prime is 1854865043. The next prime is 1854865073. The reversal of 1854865048 is 8405684581.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1854864992 and 1854865010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1854865043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115929058 + ... + 115929073.

Almost surely, 2^1854865048 is an apocalyptic number.

It is an amenable number.

1854865048 is a deficient number, since it is larger than the sum of its proper divisors (1623006932).

1854865048 is a wasteful number, since it uses less digits than its factorization.

1854865048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231858137 (or 231858133 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 49.

The square root of 1854865048 is about 43068.1442367790. The cubic root of 1854865048 is about 1228.6761811992.

The spelling of 1854865048 in words is "one billion, eight hundred fifty-four million, eight hundred sixty-five thousand, forty-eight".