1145340434 has 24 divisors (see below), whose sum is σ = 1976621760. Its totient is φ = 487586736.

The previous prime is 1145340419. The next prime is 1145340457. The reversal of 1145340434 is 4340435411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1145340397 and 1145340406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343427 + ... + 346745.

It is an arithmetic number, because the mean of its divisors is an integer number (82359240).

Almost surely, 2^1145340434 is an apocalyptic number.

1145340434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1145340434 is a deficient number, since it is larger than the sum of its proper divisors (831281326).

1145340434 is an equidigital number, since it uses as much as digits as its factorization.

1145340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1145340434 is about 33842.8786305184. The cubic root of 1145340434 is about 1046.2726294537.

Adding to 1145340434 its reverse (4340435411), we get a palindrome (5485775845).

The spelling of 1145340434 in words is "one billion, one hundred forty-five million, three hundred forty thousand, four hundred thirty-four".