102040244 has 12 divisors (see below), whose sum is σ = 179603844. Its totient is φ = 50724864.

The previous prime is 102040231. The next prime is 102040261. The reversal of 102040244 is 442040201.

It can be written as a sum of positive squares in 2 ways, for example, as 99600400 + 2439844 = 9980^2 + 1562^2 .

It is a super-2 number, since 2×102040244² = 20824422791159072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73037 + ... + 74420.

It is an arithmetic number, because the mean of its divisors is an integer number (14966987).

Almost surely, 2^102040244 is an apocalyptic number.

It is an amenable number.

102040244 is a deficient number, since it is larger than the sum of its proper divisors (77563600).

102040244 is a wasteful number, since it uses less digits than its factorization.

102040244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147634 (or 147632 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 102040244 is about 10101.4971167644. The cubic root of 102040244 is about 467.2943135131.

Adding to 102040244 its reverse (442040201), we get a palindrome (544080445).

The spelling of 102040244 in words is "one hundred two million, forty thousand, two hundred forty-four".