501432142 has 16 divisors (see below), whose sum is σ = 758657952. Its totient is φ = 248555520.

The previous prime is 501432137. The next prime is 501432157. The reversal of 501432142 is 241234105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117958 + ... + 122134.

It is an arithmetic number, because the mean of its divisors is an integer number (47416122).

Almost surely, 2^501432142 is an apocalyptic number.

501432142 is a deficient number, since it is larger than the sum of its proper divisors (257225810).

501432142 is a wasteful number, since it uses less digits than its factorization.

501432142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683.

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

The square root of 501432142 is about 22392.6805452139. The cubic root of 501432142 is about 794.4575981927.

Adding to 501432142 its reverse (241234105), we get a palindrome (742666247).

The spelling of 501432142 in words is "five hundred one million, four hundred thirty-two thousand, one hundred forty-two".