22143120145354 has 8 divisors (see below), whose sum is σ = 35769655619460. Its totient is φ = 10219901605536.

The previous prime is 22143120145337. The next prime is 22143120145357. The reversal of 22143120145354 is 45354102134122.

It can be written as a sum of positive squares in 2 ways, for example, as 16010201625625 + 6132918519729 = 4001275^2 + 2476473^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22143120145357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425829233539 + ... + 425829233590.

Almost surely, 2^{22143120145354} is an apocalyptic number.

22143120145354 is a deficient number, since it is larger than the sum of its proper divisors (13626535474106).

22143120145354 is a wasteful number, since it uses less digits than its factorization.

22143120145354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851658467144.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 22143120145354 its reverse (45354102134122), we get a palindrome (67497222279476).

The spelling of 22143120145354 in words is "twenty-two trillion, one hundred forty-three billion, one hundred twenty million, one hundred forty-five thousand, three hundred fifty-four".