103440214 has 4 divisors (see below), whose sum is σ = 155160324. Its totient is φ = 51720106.

The previous prime is 103440209. The next prime is 103440221. The reversal of 103440214 is 412044301.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 103440191 and 103440200.

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, 25860052 + ... + 25860055.

It is an arithmetic number, because the mean of its divisors is an integer number (38790081).

Almost surely, 2^103440214 is an apocalyptic number.

103440214 is a deficient number, since it is larger than the sum of its proper divisors (51720110).

103440214 is an equidigital number, since it uses as much as digits as its factorization.

103440214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51720109.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 103440214 is about 10170.5562286435. The cubic root of 103440214 is about 469.4216728559.

Adding to 103440214 its reverse (412044301), we get a palindrome (515484515).

The spelling of 103440214 in words is "one hundred three million, four hundred forty thousand, two hundred fourteen".