240022145 has 32 divisors (see below), whose sum is σ = 327006720. Its totient is φ = 167581440.

The previous prime is 240022141. The next prime is 240022147. The reversal of 240022145 is 541220042.

It is a happy number.

It is not a de Polignac number, because 240022145 - 2² = 240022141 is a prime.

It is a super-2 number, since 2×240022145² = 115221260180802050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240022141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160019 + ... + 161511.

It is an arithmetic number, because the mean of its divisors is an integer number (10218960).

Almost surely, 2^240022145 is an apocalyptic number.

It is an amenable number.

240022145 is a deficient number, since it is larger than the sum of its proper divisors (86984575).

240022145 is a wasteful number, since it uses less digits than its factorization.

240022145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 240022145 is about 15492.6480951450. The cubic root of 240022145 is about 621.4656143984.

Adding to 240022145 its reverse (541220042), we get a palindrome (781242187).

The spelling of 240022145 in words is "two hundred forty million, twenty-two thousand, one hundred forty-five".