142205601298 has 4 divisors (see below), whose sum is σ = 213308401950. Its totient is φ = 71102800648.

The previous prime is 142205601281. The next prime is 142205601323. The reversal of 142205601298 is 892106502241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129274045209 + 12931556089 = 359547^2 + 113717^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 142205601298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35551400323 + ... + 35551400326.

Almost surely, 2^142205601298 is an apocalyptic number.

142205601298 is a deficient number, since it is larger than the sum of its proper divisors (71102800652).

142205601298 is an equidigital number, since it uses as much as digits as its factorization.

142205601298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71102800651.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 142205601298 in words is "one hundred forty-two billion, two hundred five million, six hundred one thousand, two hundred ninety-eight".