501142342 has 16 divisors (see below), whose sum is σ = 789120000. Its totient is φ = 238376520.

The previous prime is 501142321. The next prime is 501142349. The reversal of 501142342 is 243241105.

It is a super-2 number, since 2×501142342² = 502287293890489928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501142349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64842 + ... + 72157.

It is an arithmetic number, because the mean of its divisors is an integer number (49320000).

Almost surely, 2^501142342 is an apocalyptic number.

501142342 is a deficient number, since it is larger than the sum of its proper divisors (287977658).

501142342 is a wasteful number, since it uses less digits than its factorization.

501142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137091.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 501142342 is about 22386.2087455648. The cubic root of 501142342 is about 794.3045178713.

Adding to 501142342 its reverse (243241105), we get a palindrome (744383447).

The spelling of 501142342 in words is "five hundred one million, one hundred forty-two thousand, three hundred forty-two".