501470145 has 48 divisors (see below), whose sum is σ = 950227200. Its totient is φ = 242626560.

The previous prime is 501470141. The next prime is 501470191. The reversal of 501470145 is 541074105.

It is a happy number.

501470145 is a `hidden beast` number, since 50 + 1 + 470 + 145 = 666.

It is not a de Polignac number, because 501470145 - 2² = 501470141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (501470141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 355201 + ... + 356609.

It is an arithmetic number, because the mean of its divisors is an integer number (19796400).

Almost surely, 2^501470145 is an apocalyptic number.

501470145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501470145 is a deficient number, since it is larger than the sum of its proper divisors (448757055).

501470145 is a wasteful number, since it uses less digits than its factorization.

501470145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 501470145 is about 22393.5290876628. The cubic root of 501470145 is about 794.4776680465.

The spelling of 501470145 in words is "five hundred one million, four hundred seventy thousand, one hundred forty-five".