403255045 has 16 divisors (see below), whose sum is σ = 526223088. Its totient is φ = 295418880.

The previous prime is 403255033. The next prime is 403255051. The reversal of 403255045 is 540552304.

It can be written as a sum of positive squares in 8 ways, for example, as 34845409 + 368409636 = 5903^2 + 19194^2 .

It is not a de Polignac number, because 403255045 - 2²¹ = 401157893 is a prime.

It is a super-2 number, since 2×403255045² = 325229262635904050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 60966 + ... + 67255.

It is an arithmetic number, because the mean of its divisors is an integer number (32888943).

Almost surely, 2^403255045 is an apocalyptic number.

It is an amenable number.

403255045 is a deficient number, since it is larger than the sum of its proper divisors (122968043).

403255045 is a wasteful number, since it uses less digits than its factorization.

403255045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128280.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 403255045 is about 20081.2112433488. The cubic root of 403255045 is about 738.7995175060.

The spelling of 403255045 in words is "four hundred three million, two hundred fifty-five thousand, forty-five".