102444234434 has 4 divisors (see below), whose sum is σ = 153666351654. Its totient is φ = 51222117216.

The previous prime is 102444234401. The next prime is 102444234437. The reversal of 102444234434 is 434432444201.

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., 56191280209 + 46252954225 = 237047^2 + 215065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102444234394 and 102444234403.

It is not an unprimeable number, because it can be changed into a prime (102444234437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25611058607 + ... + 25611058610.

Almost surely, 2^102444234434 is an apocalyptic number.

102444234434 is a deficient number, since it is larger than the sum of its proper divisors (51222117220).

102444234434 is an equidigital number, since it uses as much as digits as its factorization.

102444234434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51222117219.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 102444234434 its reverse (434432444201), we get a palindrome (536876678635).

The spelling of 102444234434 in words is "one hundred two billion, four hundred forty-four million, two hundred thirty-four thousand, four hundred thirty-four".