2145484858 has 32 divisors (see below), whose sum is σ = 3591537408. Its totient is φ = 952862400.

The previous prime is 2145484843. The next prime is 2145484889. The reversal of 2145484858 is 8584845412.

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, 781368 + ... + 784108.

It is an arithmetic number, because the mean of its divisors is an integer number (112235544).

Almost surely, 2^2145484858 is an apocalyptic number.

2145484858 is a deficient number, since it is larger than the sum of its proper divisors (1446052550).

2145484858 is a wasteful number, since it uses less digits than its factorization.

2145484858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its digits is 1638400, while the sum is 49.

The square root of 2145484858 is about 46319.3788602568. The cubic root of 2145484858 is about 1289.7587550394.

The spelling of 2145484858 in words is "two billion, one hundred forty-five million, four hundred eighty-four thousand, eight hundred fifty-eight".