501143345 has 16 divisors (see below), whose sum is σ = 632664000. Its totient is φ = 380522688.

The previous prime is 501143333. The next prime is 501143351. The reversal of 501143345 is 543341105.

It is not a de Polignac number, because 501143345 - 2⁸ = 501143089 is a prime.

It is a super-2 number, since 2×501143345² = 502289304475578050, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 20735 + ... + 37844.

It is an arithmetic number, because the mean of its divisors is an integer number (39541500).

Almost surely, 2^501143345 is an apocalyptic number.

It is an amenable number.

501143345 is a deficient number, since it is larger than the sum of its proper divisors (131520655).

501143345 is a wasteful number, since it uses less digits than its factorization.

501143345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58672.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 501143345 is about 22386.2311477390. The cubic root of 501143345 is about 794.3050477853.

The spelling of 501143345 in words is "five hundred one million, one hundred forty-three thousand, three hundred forty-five".