1854284245 has 16 divisors (see below), whose sum is σ = 2486635200. Its totient is φ = 1315676800.

The previous prime is 1854284239. The next prime is 1854284269. The reversal of 1854284245 is 5424824581.

It is a de Polignac number, because none of the positive numbers 2^k-1854284245 is a prime.

It is a super-2 number, since 2×1854284245² = 6876740122510440050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408895 + ... + 413404.

It is an arithmetic number, because the mean of its divisors is an integer number (155414700).

Almost surely, 2^1854284245 is an apocalyptic number.

It is an amenable number.

1854284245 is a deficient number, since it is larger than the sum of its proper divisors (632350955).

1854284245 is a wasteful number, since it uses less digits than its factorization.

1854284245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822356.

The product of its digits is 409600, while the sum is 43.

The square root of 1854284245 is about 43061.4008713140. The cubic root of 1854284245 is about 1228.5479250925.

The spelling of 1854284245 in words is "one billion, eight hundred fifty-four million, two hundred eighty-four thousand, two hundred forty-five".