495409145 has 16 divisors (see below), whose sum is σ = 741184128. Its totient is φ = 308826240.

The previous prime is 495409133. The next prime is 495409151. The reversal of 495409145 is 541904594.

It is not a de Polignac number, because 495409145 - 2⁶ = 495409081 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643004 + ... + 643773.

It is an arithmetic number, because the mean of its divisors is an integer number (46324008).

Almost surely, 2^495409145 is an apocalyptic number.

It is an amenable number.

495409145 is a deficient number, since it is larger than the sum of its proper divisors (245774983).

495409145 is a wasteful number, since it uses less digits than its factorization.

495409145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286800.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 495409145 is about 22257.7884121491. The cubic root of 495409145 is about 791.2638771445.

It can be divided in two parts, 49540 and 9145, that added together give a palindrome (58685).

The spelling of 495409145 in words is "four hundred ninety-five million, four hundred nine thousand, one hundred forty-five".