142434244402 has 4 divisors (see below), whose sum is σ = 213651366606. Its totient is φ = 71217122200.

The previous prime is 142434244391. The next prime is 142434244429. The reversal of 142434244402 is 204442434241.

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., 88340322841 + 54093921561 = 297221^2 + 232581^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608561099 + ... + 35608561102.

Almost surely, 2^142434244402 is an apocalyptic number.

142434244402 is a deficient number, since it is larger than the sum of its proper divisors (71217122204).

142434244402 is an equidigital number, since it uses as much as digits as its factorization.

142434244402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71217122203.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 142434244402 its reverse (204442434241), we get a palindrome (346876678643).

The spelling of 142434244402 in words is "one hundred forty-two billion, four hundred thirty-four million, two hundred forty-four thousand, four hundred two".