2403504145 has 12 divisors (see below), whose sum is σ = 3355095924. Its totient is φ = 1648116960.

The previous prime is 2403504139. The next prime is 2403504157. The reversal of 2403504145 is 5414053042.

It can be written as a sum of positive squares in 2 ways, for example, as 597509136 + 1805995009 = 24444^2 + 42497^2 .

It is not a de Polignac number, because 2403504145 - 2⁵ = 2403504113 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 11 ways as a sum of consecutive naturals, for example, 4904866 + ... + 4905355.

It is an arithmetic number, because the mean of its divisors is an integer number (279591327).

Almost surely, 2^2403504145 is an apocalyptic number.

It is an amenable number.

2403504145 is a deficient number, since it is larger than the sum of its proper divisors (951591779).

2403504145 is an equidigital number, since it uses as much as digits as its factorization.

2403504145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9810240 (or 9810233 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2403504145 is about 49025.5458409185. The cubic root of 2403504145 is about 1339.5171916601.

Adding to 2403504145 its reverse (5414053042), we get a palindrome (7817557187).

The spelling of 2403504145 in words is "two billion, four hundred three million, five hundred four thousand, one hundred forty-five".