1024323145 has 4 divisors (see below), whose sum is σ = 1229187780. Its totient is φ = 819458512.

The previous prime is 1024323137. The next prime is 1024323149. The reversal of 1024323145 is 5413234201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5413234201 = 1481 ⋅3655121.

It can be written as a sum of positive squares in 2 ways, for example, as 496977849 + 527345296 = 22293^2 + 22964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024323145 - 2³ = 1024323137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1024323149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102432310 + ... + 102432319.

It is an arithmetic number, because the mean of its divisors is an integer number (307296945).

Almost surely, 2^1024323145 is an apocalyptic number.

It is an amenable number.

1024323145 is a deficient number, since it is larger than the sum of its proper divisors (204864635).

1024323145 is an equidigital number, since it uses as much as digits as its factorization.

1024323145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204864634.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1024323145 is about 32005.0487423469. The cubic root of 1024323145 is about 1008.0428540743.

Adding to 1024323145 its reverse (5413234201), we get a palindrome (6437557346).

The spelling of 1024323145 in words is "one billion, twenty-four million, three hundred twenty-three thousand, one hundred forty-five".