503445142 has 8 divisors (see below), whose sum is σ = 755283816. Its totient is φ = 251683872.

The previous prime is 503445127. The next prime is 503445181. The reversal of 503445142 is 241544305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×503445142² = 506914022006800328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503445142.

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, 1333 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (94410477).

Almost surely, 2^503445142 is an apocalyptic number.

503445142 is a deficient number, since it is larger than the sum of its proper divisors (251838674).

503445142 is a wasteful number, since it uses less digits than its factorization.

503445142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38702.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 503445142 is about 22437.5832477564. The cubic root of 503445142 is about 795.5192957565.

Adding to 503445142 its reverse (241544305), we get a palindrome (744989447).

It can be divided in two parts, 5034 and 45142, that added together give a square (50176 = 224²).

The spelling of 503445142 in words is "five hundred three million, four hundred forty-five thousand, one hundred forty-two".