1145462243 has 4 divisors (see below), whose sum is σ = 1176420720. Its totient is φ = 1114503768.

The previous prime is 1145462207. The next prime is 1145462257. The reversal of 1145462243 is 3422645411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1145462243 - 2⁶ = 1145462179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145462543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15479183 + ... + 15479256.

It is an arithmetic number, because the mean of its divisors is an integer number (294105180).

Almost surely, 2^1145462243 is an apocalyptic number.

1145462243 is a deficient number, since it is larger than the sum of its proper divisors (30958477).

1145462243 is an equidigital number, since it uses as much as digits as its factorization.

1145462243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30958476.

The product of its digits is 23040, while the sum is 32.

The square root of 1145462243 is about 33844.6782079546. The cubic root of 1145462243 is about 1046.3097191263.

The spelling of 1145462243 in words is "one billion, one hundred forty-five million, four hundred sixty-two thousand, two hundred forty-three".