502148434 has 4 divisors (see below), whose sum is σ = 753222654. Its totient is φ = 251074216.

The previous prime is 502148419. The next prime is 502148461. The reversal of 502148434 is 434841205.

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., 497513025 + 4635409 = 22305^2 + 2153^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 502148396 and 502148405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125537107 + ... + 125537110.

Almost surely, 2^502148434 is an apocalyptic number.

502148434 is a deficient number, since it is larger than the sum of its proper divisors (251074220).

502148434 is a wasteful number, since it uses less digits than its factorization.

502148434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251074219.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 502148434 is about 22408.6687244022. The cubic root of 502148434 is about 794.8357104180.

Adding to 502148434 its reverse (434841205), we get a palindrome (936989639).

The spelling of 502148434 in words is "five hundred two million, one hundred forty-eight thousand, four hundred thirty-four".