102306214 has 4 divisors (see below), whose sum is σ = 153459324. Its totient is φ = 51153106.

The previous prime is 102306181. The next prime is 102306223. The reversal of 102306214 is 412603201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412603201 = 149 ⋅2769149.

It is a super-2 number, since 2×102306214² = 20933122846027592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102306191 and 102306200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25576552 + ... + 25576555.

It is an arithmetic number, because the mean of its divisors is an integer number (38364831).

Almost surely, 2^102306214 is an apocalyptic number.

102306214 is a deficient number, since it is larger than the sum of its proper divisors (51153110).

102306214 is an equidigital number, since it uses as much as digits as its factorization.

102306214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51153109.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 102306214 is about 10114.6534295546. The cubic root of 102306214 is about 467.6999653582.

Adding to 102306214 its reverse (412603201), we get a palindrome (514909415).

The spelling of 102306214 in words is "one hundred two million, three hundred six thousand, two hundred fourteen".