142356451621102 has 4 divisors (see below), whose sum is σ = 213534677431656. Its totient is φ = 71178225810550.

The previous prime is 142356451621099. The next prime is 142356451621117. The reversal of 142356451621102 is 201126154653241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35589112905274 + ... + 35589112905277.

It is an arithmetic number, because the mean of its divisors is an integer number (53383669357914).

Almost surely, 2^{142356451621102} is an apocalyptic number.

142356451621102 is a deficient number, since it is larger than the sum of its proper divisors (71178225810554).

142356451621102 is an equidigital number, since it uses as much as digits as its factorization.

142356451621102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71178225810553.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 142356451621102 in words is "one hundred forty-two trillion, three hundred fifty-six billion, four hundred fifty-one million, six hundred twenty-one thousand, one hundred two".