22541145142 has 16 divisors (see below), whose sum is σ = 34039765872. Its totient is φ = 11194640640.

The previous prime is 22541145089. The next prime is 22541145149. The reversal of 22541145142 is 24154114522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22541145149) 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, 540958 + ... + 581134.

It is an arithmetic number, because the mean of its divisors is an integer number (2127485367).

Almost surely, 2^22541145142 is an apocalyptic number.

22541145142 is a deficient number, since it is larger than the sum of its proper divisors (11498620730).

22541145142 is a wasteful number, since it uses less digits than its factorization.

22541145142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42063.

The product of its digits is 12800, while the sum is 31.

Adding to 22541145142 its reverse (24154114522), we get a palindrome (46695259664).

The spelling of 22541145142 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-five thousand, one hundred forty-two".