142002540002 has 16 divisors (see below), whose sum is σ = 215948035800. Its totient is φ = 70020099072.

The previous prime is 142002539933. The next prime is 142002540049. The reversal of 142002540002 is 200045200241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 64740222481 + 77262317521 = 254441^2 + 277961^2 .

It is a super-2 number, since 2×142002540002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236998 + ... + 1346910.

Almost surely, 2^142002540002 is an apocalyptic number.

142002540002 is a deficient number, since it is larger than the sum of its proper divisors (73945495798).

142002540002 is a wasteful number, since it uses less digits than its factorization.

142002540002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118837.

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 142002540002 its reverse (200045200241), we get a palindrome (342047740243).

The spelling of 142002540002 in words is "one hundred forty-two billion, two million, five hundred forty thousand, two".