814430645 has 16 divisors (see below), whose sum is σ = 1182636288. Its totient is φ = 525615360.

The previous prime is 814430633. The next prime is 814430653. The reversal of 814430645 is 546034418.

814430645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 814430645 - 2⁸ = 814430389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683801 + ... + 684990.

It is an arithmetic number, because the mean of its divisors is an integer number (73914768).

Almost surely, 2^814430645 is an apocalyptic number.

814430645 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

814430645 is a deficient number, since it is larger than the sum of its proper divisors (368205643).

814430645 is a wasteful number, since it uses less digits than its factorization.

814430645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368820.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 814430645 is about 28538.2312871698. The cubic root of 814430645 is about 933.8662972887.

The spelling of 814430645 in words is "eight hundred fourteen million, four hundred thirty thousand, six hundred forty-five".