5145249458 has 8 divisors (see below), whose sum is σ = 7722208128. Its totient is φ = 2571180084.

The previous prime is 5145249443. The next prime is 5145249467. The reversal of 5145249458 is 8549425415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717866 + ... + 724997.

It is an arithmetic number, because the mean of its divisors is an integer number (965276016).

Almost surely, 2^5145249458 is an apocalyptic number.

5145249458 is a deficient number, since it is larger than the sum of its proper divisors (2576958670).

5145249458 is a wasteful number, since it uses less digits than its factorization.

5145249458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444648.

The product of its digits is 1152000, while the sum is 47.

The square root of 5145249458 is about 71730.3942412141. The cubic root of 5145249458 is about 1726.3763525478.

The spelling of 5145249458 in words is "five billion, one hundred forty-five million, two hundred forty-nine thousand, four hundred fifty-eight".