1146726645 has 8 divisors (see below), whose sum is σ = 1834762656. Its totient is φ = 611587536.

The previous prime is 1146726601. The next prime is 1146726649. The reversal of 1146726645 is 5466276411.

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

It is a de Polignac number, because none of the positive numbers 2^k-1146726645 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1146726597 and 1146726606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146726649) 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, 38224207 + ... + 38224236.

It is an arithmetic number, because the mean of its divisors is an integer number (229345332).

Almost surely, 2^1146726645 is an apocalyptic number.

1146726645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1146726645 is a deficient number, since it is larger than the sum of its proper divisors (688036011).

1146726645 is an equidigital number, since it uses as much as digits as its factorization.

1146726645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76448451.

The product of its digits is 241920, while the sum is 42.

The square root of 1146726645 is about 33863.3525363334. The cubic root of 1146726645 is about 1046.6945621980.

The spelling of 1146726645 in words is "one billion, one hundred forty-six million, seven hundred twenty-six thousand, six hundred forty-five".