102244141 has 4 divisors (see below), whose sum is σ = 102399484. Its totient is φ = 102088800.

The previous prime is 102244139. The next prime is 102244147. The reversal of 102244141 is 141442201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141442201 = 3037 ⋅46573.

It can be written as a sum of positive squares in 2 ways, for example, as 82628100 + 19616041 = 9090^2 + 4429^2 .

It is a cyclic number.

It is not a de Polignac number, because 102244141 - 2¹ = 102244139 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 (102244147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76680 + ... + 78001.

It is an arithmetic number, because the mean of its divisors is an integer number (25599871).

Almost surely, 2^102244141 is an apocalyptic number.

It is an amenable number.

102244141 is a deficient number, since it is larger than the sum of its proper divisors (155343).

102244141 is an equidigital number, since it uses as much as digits as its factorization.

102244141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155342.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 102244141 is about 10111.5844950235. The cubic root of 102244141 is about 467.6053558771.

Adding to 102244141 its reverse (141442201), we get a palindrome (243686342).

It can be divided in two parts, 10224 and 4141, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 102244141 in words is "one hundred two million, two hundred forty-four thousand, one hundred forty-one".