142453653844 has 12 divisors (see below), whose sum is σ = 249301118304. Its totient is φ = 71224762904.

The previous prime is 142453653821. The next prime is 142453653847. The reversal of 142453653844 is 448356354241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142453653847) 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, 355144 + ... + 641119.

It is an arithmetic number, because the mean of its divisors is an integer number (20775093192).

Almost surely, 2^142453653844 is an apocalyptic number.

It is an amenable number.

142453653844 is a deficient number, since it is larger than the sum of its proper divisors (106847464460).

142453653844 is a wasteful number, since it uses less digits than its factorization.

142453653844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032014 (or 1032012 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 142453653844 in words is "one hundred forty-two billion, four hundred fifty-three million, six hundred fifty-three thousand, eight hundred forty-four".