103145214 has 16 divisors (see below), whose sum is σ = 206403840. Its totient is φ = 34362840.

The previous prime is 103145197. The next prime is 103145221. The reversal of 103145214 is 412541301.

It is a super-2 number, since 2×103145214² = 21277870342211592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11259 + ... + 18249.

It is an arithmetic number, because the mean of its divisors is an integer number (12900240).

Almost surely, 2^103145214 is an apocalyptic number.

103145214 is an abundant number, since it is smaller than the sum of its proper divisors (103258626).

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

103145214 is a wasteful number, since it uses less digits than its factorization.

103145214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 103145214 is about 10156.0432255874. The cubic root of 103145214 is about 468.9750018121.

Adding to 103145214 its reverse (412541301), we get a palindrome (515686515).

The spelling of 103145214 in words is "one hundred three million, one hundred forty-five thousand, two hundred fourteen".