5145878 has 4 divisors (see below), whose sum is σ = 7718820. Its totient is φ = 2572938.

The previous prime is 5145871. The next prime is 5145887. The reversal of 5145878 is 8785415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8785415 = 5 ⋅1757083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286468 + ... + 1286471.

It is an arithmetic number, because the mean of its divisors is an integer number (1929705).

Almost surely, 2^5145878 is an apocalyptic number.

5145878 is a deficient number, since it is larger than the sum of its proper divisors (2572942).

5145878 is a wasteful number, since it uses less digits than its factorization.

5145878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572941.

The product of its digits is 44800, while the sum is 38.

The square root of 5145878 is about 2268.4527766740. The cubic root of 5145878 is about 172.6446647543.

The spelling of 5145878 in words is "five million, one hundred forty-five thousand, eight hundred seventy-eight".