2405321145 has 24 divisors (see below), whose sum is σ = 4239892800. Its totient is φ = 1261093536.

The previous prime is 2405321099. The next prime is 2405321147. The reversal of 2405321145 is 5411235042.

2405321145 is a `hidden beast` number, since 2 + 405 + 3 + 211 + 45 = 666.

It is not a de Polignac number, because 2405321145 - 2⁶ = 2405321081 is a prime.

It is a super-2 number, since 2×2405321145² = 11571139621168222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2405321147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450325 + ... + 455634.

It is an arithmetic number, because the mean of its divisors is an integer number (176662200).

Almost surely, 2^2405321145 is an apocalyptic number.

It is an amenable number.

2405321145 is a deficient number, since it is larger than the sum of its proper divisors (1834571655).

2405321145 is a wasteful number, since it uses less digits than its factorization.

2405321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906029 (or 906026 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2405321145 is about 49044.0734951737. The cubic root of 2405321145 is about 1339.8546558404.

Adding to 2405321145 its reverse (5411235042), we get a palindrome (7816556187).

The spelling of 2405321145 in words is "two billion, four hundred five million, three hundred twenty-one thousand, one hundred forty-five".