502142455 has 4 divisors (see below), whose sum is σ = 602570952. Its totient is φ = 401713960.

The previous prime is 502142449. The next prime is 502142461. The reversal of 502142455 is 554241205.

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

It is an interprime number because it is at equal distance from previous prime (502142449) and next prime (502142461).

It is not a de Polignac number, because 502142455 - 2¹⁷ = 502011383 is a prime.

It is a super-2 number, since 2×502142455² = 504294090226854050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 50214241 + ... + 50214250.

It is an arithmetic number, because the mean of its divisors is an integer number (150642738).

Almost surely, 2^502142455 is an apocalyptic number.

502142455 is a deficient number, since it is larger than the sum of its proper divisors (100428497).

502142455 is a wasteful number, since it uses less digits than its factorization.

502142455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100428496.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 502142455 is about 22408.5353158121. The cubic root of 502142455 is about 794.8325557455.

The spelling of 502142455 in words is "five hundred two million, one hundred forty-two thousand, four hundred fifty-five".