505364145 has 32 divisors (see below), whose sum is σ = 949947264. Its totient is φ = 226176000.

The previous prime is 505364141. The next prime is 505364159. The reversal of 505364145 is 541463505.

It is not a de Polignac number, because 505364145 - 2² = 505364141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (505364141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115656 + ... + 119945.

It is an arithmetic number, because the mean of its divisors is an integer number (29685852).

Almost surely, 2^505364145 is an apocalyptic number.

505364145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505364145 is a deficient number, since it is larger than the sum of its proper divisors (444583119).

505364145 is a wasteful number, since it uses less digits than its factorization.

505364145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235633.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 505364145 is about 22480.3057141134. The cubic root of 505364145 is about 796.5287856437.

The spelling of 505364145 in words is "five hundred five million, three hundred sixty-four thousand, one hundred forty-five".