102243378 has 16 divisors (see below), whose sum is σ = 206785440. Its totient is φ = 33698016.

The previous prime is 102243373. The next prime is 102243391. The reversal of 102243378 is 873342201.

It is not an unprimeable number, because it can be changed into a prime (102243373) 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, 95200 + ... + 96267.

It is an arithmetic number, because the mean of its divisors is an integer number (12924090).

Almost surely, 2^102243378 is an apocalyptic number.

102243378 is an abundant number, since it is smaller than the sum of its proper divisors (104542062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102243378 is a wasteful number, since it uses less digits than its factorization.

102243378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191561.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 102243378 is about 10111.5467659503. The cubic root of 102243378 is about 467.6041927012.

Adding to 102243378 its reverse (873342201), we get a palindrome (975585579).

The spelling of 102243378 in words is "one hundred two million, two hundred forty-three thousand, three hundred seventy-eight".