142603322051 has 4 divisors (see below), whose sum is σ = 148803466512. Its totient is φ = 136403177592.

The previous prime is 142603322047. The next prime is 142603322063. The reversal of 142603322051 is 150223306241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 142603322051 - 2² = 142603322047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142603322021) 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, 3100072196 + ... + 3100072241.

It is an arithmetic number, because the mean of its divisors is an integer number (37200866628).

Almost surely, 2^142603322051 is an apocalyptic number.

142603322051 is a deficient number, since it is larger than the sum of its proper divisors (6200144461).

142603322051 is an equidigital number, since it uses as much as digits as its factorization.

142603322051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6200144460.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 142603322051 its reverse (150223306241), we get a palindrome (292826628292).

The spelling of 142603322051 in words is "one hundred forty-two billion, six hundred three million, three hundred twenty-two thousand, fifty-one".