102044434 has 4 divisors (see below), whose sum is σ = 153066654. Its totient is φ = 51022216.

The previous prime is 102044429. The next prime is 102044539. The reversal of 102044434 is 434440201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434440201 = 13 ⋅33418477.

It can be written as a sum of positive squares in only one way, i.e., 73153809 + 28890625 = 8553^2 + 5375^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511107 + ... + 25511110.

Almost surely, 2^102044434 is an apocalyptic number.

102044434 is a deficient number, since it is larger than the sum of its proper divisors (51022220).

102044434 is an equidigital number, since it uses as much as digits as its factorization.

102044434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51022219.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 102044434 is about 10101.7045096360. The cubic root of 102044434 is about 467.3007094744.

Adding to 102044434 its reverse (434440201), we get a palindrome (536484635).

It can be divided in two parts, 1020 and 44434, that added together give a palindrome (45454).

The spelling of 102044434 in words is "one hundred two million, forty-four thousand, four hundred thirty-four".