10545661223142 has 64 divisors (see below), whose sum is σ = 23678943425280. Its totient is φ = 3111435887616.

The previous prime is 10545661223099. The next prime is 10545661223143. The reversal of 10545661223142 is 24132216654501.

It is a super-2 number, since 2×10545661223142² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10545661223094 and 10545661223103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10545661223143) 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, 19594048 + ... + 20125059.

It is an arithmetic number, because the mean of its divisors is an integer number (369983491020).

Almost surely, 2^{10545661223142} is an apocalyptic number.

10545661223142 is an abundant number, since it is smaller than the sum of its proper divisors (13133282202138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10545661223142 is a wasteful number, since it uses less digits than its factorization.

10545661223142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39719285.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 10545661223142 its reverse (24132216654501), we get a palindrome (34677877877643).

The spelling of 10545661223142 in words is "ten trillion, five hundred forty-five billion, six hundred sixty-one million, two hundred twenty-three thousand, one hundred forty-two".