505331142 has 32 divisors (see below), whose sum is σ = 1024358400. Its totient is φ = 166170048.

The previous prime is 505331131. The next prime is 505331153. The reversal of 505331142 is 241133505.

It is an interprime number because it is at equal distance from previous prime (505331131) and next prime (505331153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323359 + ... + 324917.

It is an arithmetic number, because the mean of its divisors is an integer number (32011200).

Almost surely, 2^505331142 is an apocalyptic number.

505331142 is an abundant number, since it is smaller than the sum of its proper divisors (519027258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505331142 is a wasteful number, since it uses less digits than its factorization.

505331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 505331142 is about 22479.5716596202. The cubic root of 505331142 is about 796.5114460600.

Adding to 505331142 its reverse (241133505), we get a palindrome (746464647).

The spelling of 505331142 in words is "five hundred five million, three hundred thirty-one thousand, one hundred forty-two".