146505513 has 16 divisors (see below), whose sum is σ = 243542016. Its totient is φ = 76106640.

The previous prime is 146505509. The next prime is 146505521. The reversal of 146505513 is 315505641.

It is not a de Polignac number, because 146505513 - 2² = 146505509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146505113) 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 15 ways as a sum of consecutive naturals, for example, 316881 + ... + 317342.

It is an arithmetic number, because the mean of its divisors is an integer number (15221376).

Almost surely, 2^146505513 is an apocalyptic number.

It is an amenable number.

146505513 is a deficient number, since it is larger than the sum of its proper divisors (97036503).

146505513 is a wasteful number, since it uses less digits than its factorization.

146505513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634244.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 146505513 is about 12103.9461746986. The cubic root of 146505513 is about 527.1707706540.

The spelling of 146505513 in words is "one hundred forty-six million, five hundred five thousand, five hundred thirteen".