1791453345 has 16 divisors (see below), whose sum is σ = 3126900672. Its totient is φ = 868583360.

The previous prime is 1791453341. The next prime is 1791453347. The reversal of 1791453345 is 5433541971.

It is not a de Polignac number, because 1791453345 - 2² = 1791453341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1791453297 and 1791453306.

It is not an unprimeable number, because it can be changed into a prime (1791453341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5428482 + ... + 5428811.

It is an arithmetic number, because the mean of its divisors is an integer number (195431292).

Almost surely, 2^1791453345 is an apocalyptic number.

1791453345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1791453345 is a deficient number, since it is larger than the sum of its proper divisors (1335447327).

1791453345 is a wasteful number, since it uses less digits than its factorization.

1791453345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857312.

The product of its digits is 226800, while the sum is 42.

The square root of 1791453345 is about 42325.5637292641. The cubic root of 1791453345 is about 1214.5120667737.

The spelling of 1791453345 in words is "one billion, seven hundred ninety-one million, four hundred fifty-three thousand, three hundred forty-five".