502780142 has 4 divisors (see below), whose sum is σ = 754170216. Its totient is φ = 251390070.

The previous prime is 502780141. The next prime is 502780153. The reversal of 502780142 is 241087205.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502780141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125695034 + ... + 125695037.

It is an arithmetic number, because the mean of its divisors is an integer number (188542554).

Almost surely, 2^502780142 is an apocalyptic number.

502780142 is a deficient number, since it is larger than the sum of its proper divisors (251390074).

502780142 is a wasteful number, since it uses less digits than its factorization.

502780142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251390073.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 502780142 is about 22422.7594644370. The cubic root of 502780142 is about 795.1688746375.

The spelling of 502780142 in words is "five hundred two million, seven hundred eighty thousand, one hundred forty-two".