2145466012 has 24 divisors (see below), whose sum is σ = 3772348272. Its totient is φ = 1067664000.

The previous prime is 2145465989. The next prime is 2145466019. The reversal of 2145466012 is 2106645412.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145466019) 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 in 7 ways as a sum of consecutive naturals, for example, 1477887 + ... + 1479337.

It is an arithmetic number, because the mean of its divisors is an integer number (157181178).

Almost surely, 2^2145466012 is an apocalyptic number.

It is an amenable number.

2145466012 is a deficient number, since it is larger than the sum of its proper divisors (1626882260).

2145466012 is a wasteful number, since it uses less digits than its factorization.

2145466012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2145466012 is about 46319.1754244395. The cubic root of 2145466012 is about 1289.7549786025.

The spelling of 2145466012 in words is "two billion, one hundred forty-five million, four hundred sixty-six thousand, twelve".