102302378 has 8 divisors (see below), whose sum is σ = 154112868. Its totient is φ = 50931424.

The previous prime is 102302371. The next prime is 102302477. The reversal of 102302378 is 873203201.

It can be written as a sum of positive squares in 2 ways, for example, as 99940009 + 2362369 = 9997^2 + 1537^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102302371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109301 + ... + 110232.

Almost surely, 2^102302378 is an apocalyptic number.

102302378 is a deficient number, since it is larger than the sum of its proper divisors (51810490).

102302378 is a wasteful number, since it uses less digits than its factorization.

102302378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219768.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 102302378 is about 10114.4638019027. The cubic root of 102302378 is about 467.6941197716.

Adding to 102302378 its reverse (873203201), we get a palindrome (975505579).

The spelling of 102302378 in words is "one hundred two million, three hundred two thousand, three hundred seventy-eight".