403040545 has 16 divisors (see below), whose sum is σ = 490194432. Its totient is φ = 318093120.

The previous prime is 403040503. The next prime is 403040587. The reversal of 403040545 is 545040304.

403040545 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (403040503) and next prime (403040587).

It is not a de Polignac number, because 403040545 - 2¹¹ = 403038497 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 15 ways as a sum of consecutive naturals, for example, 149560 + ... + 152230.

It is an arithmetic number, because the mean of its divisors is an integer number (30637152).

Almost surely, 2^403040545 is an apocalyptic number.

It is an amenable number.

403040545 is a deficient number, since it is larger than the sum of its proper divisors (87153887).

403040545 is a wasteful number, since it uses less digits than its factorization.

403040545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 403040545 is about 20075.8697196410. The cubic root of 403040545 is about 738.6684998410.

Adding to 403040545 its reverse (545040304), we get a palindrome (948080849).

The spelling of 403040545 in words is "four hundred three million, forty thousand, five hundred forty-five".