766145403 has 12 divisors (see below), whose sum is σ = 1144815360. Its totient is φ = 493150896.

The previous prime is 766145383. The next prime is 766145441. The reversal of 766145403 is 304541667.

It is a happy number.

It is not a de Polignac number, because 766145403 - 2¹⁴ = 766129019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1467451 + ... + 1467972.

It is an arithmetic number, because the mean of its divisors is an integer number (95401280).

Almost surely, 2^766145403 is an apocalyptic number.

766145403 is a deficient number, since it is larger than the sum of its proper divisors (378669957).

766145403 is a wasteful number, since it uses less digits than its factorization.

766145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935458 (or 2935455 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 766145403 is about 27679.3316935218. The cubic root of 766145403 is about 915.0336527979.

The spelling of 766145403 in words is "seven hundred sixty-six million, one hundred forty-five thousand, four hundred three".