142311454202 has 4 divisors (see below), whose sum is σ = 213467181306. Its totient is φ = 71155727100.

The previous prime is 142311454193. The next prime is 142311454211. The reversal of 142311454202 is 202454113241.

It is a happy number.

142311454202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (142311454193) and next prime (142311454211).

It can be written as a sum of positive squares in only one way, i.e., 108485255641 + 33826198561 = 329371^2 + 183919^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35577863549 + ... + 35577863552.

Almost surely, 2^142311454202 is an apocalyptic number.

142311454202 is a deficient number, since it is larger than the sum of its proper divisors (71155727104).

142311454202 is an equidigital number, since it uses as much as digits as its factorization.

142311454202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71155727103.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142311454202 its reverse (202454113241), we get a palindrome (344765567443).

The spelling of 142311454202 in words is "one hundred forty-two billion, three hundred eleven million, four hundred fifty-four thousand, two hundred two".