505350145 has 8 divisors (see below), whose sum is σ = 611195904. Its totient is φ = 401096304.

The previous prime is 505350137. The next prime is 505350161. The reversal of 505350145 is 541053505.

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

It is a cyclic number.

It is not a de Polignac number, because 505350145 - 2³ = 505350137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397279 + ... + 398548.

It is an arithmetic number, because the mean of its divisors is an integer number (76399488).

Almost surely, 2^505350145 is an apocalyptic number.

It is an amenable number.

505350145 is a deficient number, since it is larger than the sum of its proper divisors (105845759).

505350145 is a wasteful number, since it uses less digits than its factorization.

505350145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795959.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 505350145 is about 22479.9943282911. The cubic root of 505350145 is about 796.5214302176.

The spelling of 505350145 in words is "five hundred five million, three hundred fifty thousand, one hundred forty-five".