102243476 has 6 divisors (see below), whose sum is σ = 178926090. Its totient is φ = 51121736.

The previous prime is 102243443. The next prime is 102243481. The reversal of 102243476 is 674342201.

It can be written as a sum of positive squares in only one way, i.e., 87235600 + 15007876 = 9340^2 + 3874^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12780431 + ... + 12780438.

It is an arithmetic number, because the mean of its divisors is an integer number (29821015).

Almost surely, 2^102243476 is an apocalyptic number.

It is an amenable number.

102243476 is a deficient number, since it is larger than the sum of its proper divisors (76682614).

102243476 is a wasteful number, since it uses less digits than its factorization.

102243476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25560873 (or 25560871 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 102243476 is about 10111.5516118942. The cubic root of 102243476 is about 467.6043421003.

Adding to 102243476 its reverse (674342201), we get a palindrome (776585677).

The spelling of 102243476 in words is "one hundred two million, two hundred forty-three thousand, four hundred seventy-six".