515145214 has 32 divisors (see below), whose sum is σ = 853908480. Its totient is φ = 231989472.

The previous prime is 515145199. The next prime is 515145263. The reversal of 515145214 is 412541515.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149499 + ... + 152905.

It is an arithmetic number, because the mean of its divisors is an integer number (26684640).

Almost surely, 2^515145214 is an apocalyptic number.

515145214 is a deficient number, since it is larger than the sum of its proper divisors (338763266).

515145214 is a wasteful number, since it uses less digits than its factorization.

515145214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 4000, while the sum is 28.

The square root of 515145214 is about 22696.8106570064. The cubic root of 515145214 is about 801.6347893459.

Adding to 515145214 its reverse (412541515), we get a palindrome (927686729).

The spelling of 515145214 in words is "five hundred fifteen million, one hundred forty-five thousand, two hundred fourteen".