142484868520 has 32 divisors (see below), whose sum is σ = 323428052520. Its totient is φ = 56489574400.

The previous prime is 142484868497. The next prime is 142484868523. The reversal of 142484868520 is 25868484241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 82691903844 + 59792964676 = 287562^2 + 244526^2 .

It is not an unprimeable number, because it can be changed into a prime (142484868523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15757081 + ... + 15766120.

Almost surely, 2^142484868520 is an apocalyptic number.

142484868520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142484868520 is an abundant number, since it is smaller than the sum of its proper divisors (180943184000).

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

142484868520 is a wasteful number, since it uses less digits than its factorization.

142484868520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523325 (or 31523321 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 52.

The spelling of 142484868520 in words is "one hundred forty-two billion, four hundred eighty-four million, eight hundred sixty-eight thousand, five hundred twenty".