5145898 has 4 divisors (see below), whose sum is σ = 7718850. Its totient is φ = 2572948.

The previous prime is 5145887. The next prime is 5145901. The reversal of 5145898 is 8985415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 1734489 = 1847^2 + 1317^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5145898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286473 + ... + 1286476.

Almost surely, 2^5145898 is an apocalyptic number.

5145898 is a deficient number, since it is larger than the sum of its proper divisors (2572952).

5145898 is a wasteful number, since it uses less digits than its factorization.

5145898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572951.

The product of its digits is 57600, while the sum is 40.

The square root of 5145898 is about 2268.4571849607. The cubic root of 5145898 is about 172.6448884213.

The spelling of 5145898 in words is "five million, one hundred forty-five thousand, eight hundred ninety-eight".