2022145645 has 32 divisors (see below), whose sum is σ = 2729543040. Its totient is φ = 1428192000.

The previous prime is 2022145627. The next prime is 2022145651. The reversal of 2022145645 is 5465412202.

It is not a de Polignac number, because 2022145645 - 2¹⁵ = 2022112877 is a prime.

It is a super-3 number, since 3×2022145645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 134770 + ... + 149020.

It is an arithmetic number, because the mean of its divisors is an integer number (85298220).

Almost surely, 2^2022145645 is an apocalyptic number.

It is an amenable number.

2022145645 is a deficient number, since it is larger than the sum of its proper divisors (707397395).

2022145645 is a wasteful number, since it uses less digits than its factorization.

2022145645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14365.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2022145645 is about 44968.2737605081. The cubic root of 2022145645 is about 1264.5542847966.

Adding to 2022145645 its reverse (5465412202), we get a palindrome (7487557847).

The spelling of 2022145645 in words is "two billion, twenty-two million, one hundred forty-five thousand, six hundred forty-five".