51145468 has 24 divisors (see below), whose sum is σ = 101888640. Its totient is φ = 22236720.

The previous prime is 51145463. The next prime is 51145499. The reversal of 51145468 is 86454115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51145463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24258 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (4245360).

Almost surely, 2^51145468 is an apocalyptic number.

It is an amenable number.

51145468 is a deficient number, since it is larger than the sum of its proper divisors (50743172).

51145468 is a wasteful number, since it uses less digits than its factorization.

51145468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50577 (or 50575 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 51145468 is about 7151.6059734860. The cubic root of 51145468 is about 371.1952290651.

The spelling of 51145468 in words is "fifty-one million, one hundred forty-five thousand, four hundred sixty-eight".