142204520408 has 32 divisors (see below), whose sum is σ = 276548083200. Its totient is φ = 68471171328.

The previous prime is 142204520387. The next prime is 142204520411. The reversal of 142204520408 is 804025402241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711341 + ... + 889052.

It is an arithmetic number, because the mean of its divisors is an integer number (8642127600).

Almost surely, 2^142204520408 is an apocalyptic number.

It is an amenable number.

142204520408 is a deficient number, since it is larger than the sum of its proper divisors (134343562792).

142204520408 is a wasteful number, since it uses less digits than its factorization.

142204520408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600811 (or 1600807 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 142204520408 its reverse (804025402241), we get a palindrome (946229922649).

The spelling of 142204520408 in words is "one hundred forty-two billion, two hundred four million, five hundred twenty thousand, four hundred eight".