102444413 has 8 divisors (see below), whose sum is σ = 103719000. Its totient is φ = 101176128.

The previous prime is 102444403. The next prime is 102444421. The reversal of 102444413 is 314444201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29888089 + 72556324 = 5467^2 + 8518^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102444413 - 2¹⁰ = 102443389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102444403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36695 + ... + 39387.

It is an arithmetic number, because the mean of its divisors is an integer number (12964875).

Almost surely, 2^102444413 is an apocalyptic number.

It is an amenable number.

102444413 is a deficient number, since it is larger than the sum of its proper divisors (1274587).

102444413 is a wasteful number, since it uses less digits than its factorization.

102444413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 102444413 is about 10121.4827471078. The cubic root of 102444413 is about 467.9104660460.

Adding to 102444413 its reverse (314444201), we get a palindrome (416888614).

The spelling of 102444413 in words is "one hundred two million, four hundred forty-four thousand, four hundred thirteen".