102444218 has 8 divisors (see below), whose sum is σ = 155026548. Its totient is φ = 50768704.

The previous prime is 102444217. The next prime is 102444239. The reversal of 102444218 is 812444201.

It can be written as a sum of positive squares in 2 ways, for example, as 95511529 + 6932689 = 9773^2 + 2633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102444217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226421 + ... + 226872.

Almost surely, 2^102444218 is an apocalyptic number.

102444218 is a deficient number, since it is larger than the sum of its proper divisors (52582330).

102444218 is a wasteful number, since it uses less digits than its factorization.

102444218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453408.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 102444218 is about 10121.4731141272. The cubic root of 102444218 is about 467.9101691611.

Adding to 102444218 its reverse (812444201), we get a palindrome (914888419).

The spelling of 102444218 in words is "one hundred two million, four hundred forty-four thousand, two hundred eighteen".