1145945678 has 8 divisors (see below), whose sum is σ = 1742465568. Its totient is φ = 565123824.

The previous prime is 1145945663. The next prime is 1145945693. The reversal of 1145945678 is 8765495411.

It is an interprime number because it is at equal distance from previous prime (1145945663) and next prime (1145945693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3924326 + ... + 3924617.

It is an arithmetic number, because the mean of its divisors is an integer number (217808196).

Almost surely, 2^1145945678 is an apocalyptic number.

1145945678 is a deficient number, since it is larger than the sum of its proper divisors (596519890).

1145945678 is an equidigital number, since it uses as much as digits as its factorization.

1145945678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849018.

The product of its digits is 1209600, while the sum is 50.

The square root of 1145945678 is about 33851.8194193458. The cubic root of 1145945678 is about 1046.4568945276.

The spelling of 1145945678 in words is "one billion, one hundred forty-five million, nine hundred forty-five thousand, six hundred seventy-eight".