1146770643 has 8 divisors (see below), whose sum is σ = 1530762688. Its totient is φ = 763646184.

The previous prime is 1146770617. The next prime is 1146770671. The reversal of 1146770643 is 3460776411.

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

It is not a de Polignac number, because 1146770643 - 2²² = 1142576339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1146770243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213805 + ... + 219102.

It is an arithmetic number, because the mean of its divisors is an integer number (191345336).

Almost surely, 2^1146770643 is an apocalyptic number.

1146770643 is a deficient number, since it is larger than the sum of its proper divisors (383992045).

1146770643 is an equidigital number, since it uses as much as digits as its factorization.

1146770643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433793.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 1146770643 is about 33864.0021704464. The cubic root of 1146770643 is about 1046.7079486717.

The spelling of 1146770643 in words is "one billion, one hundred forty-six million, seven hundred seventy thousand, six hundred forty-three".