2182886145 has 32 divisors (see below), whose sum is σ = 4233479040. Its totient is φ = 1058368320.

The previous prime is 2182886141. The next prime is 2182886149. The reversal of 2182886145 is 5416882812.

2182886145 is a `hidden beast` number, since 2 + 1 + 8 + 28 + 8 + 614 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (2182886141) and next prime (2182886149).

It is not a de Polignac number, because 2182886145 - 2² = 2182886141 is a prime.

It is a super-2 number, since 2×2182886145² = 9529983844065922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2182886145.

It is not an unprimeable number, because it can be changed into a prime (2182886141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733494 + ... + 736463.

It is an arithmetic number, because the mean of its divisors is an integer number (132296220).

Almost surely, 2^2182886145 is an apocalyptic number.

It is an amenable number.

2182886145 is a deficient number, since it is larger than the sum of its proper divisors (2050592895).

2182886145 is a wasteful number, since it uses less digits than its factorization.

2182886145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469982 (or 1469976 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 2182886145 is about 46721.3671139876. The cubic root of 2182886145 is about 1297.2102196256.

The spelling of 2182886145 in words is "two billion, one hundred eighty-two million, eight hundred eighty-six thousand, one hundred forty-five".