515445068 has 12 divisors (see below), whose sum is σ = 902359920. Its totient is φ = 257627952.

The previous prime is 515445067. The next prime is 515445107. The reversal of 515445068 is 860544515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (515445067) 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, 10583 + ... + 33806.

It is an arithmetic number, because the mean of its divisors is an integer number (75196660).

Almost surely, 2^515445068 is an apocalyptic number.

It is an amenable number.

515445068 is a deficient number, since it is larger than the sum of its proper divisors (386914852).

515445068 is a wasteful number, since it uses less digits than its factorization.

515445068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47296 (or 47294 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 515445068 is about 22703.4153377856. The cubic root of 515445068 is about 801.7902968080.

The spelling of 515445068 in words is "five hundred fifteen million, four hundred forty-five thousand, sixty-eight".