1345782045 has 8 divisors (see below), whose sum is σ = 2153251296. Its totient is φ = 717750416.

The previous prime is 1345782037. The next prime is 1345782047. The reversal of 1345782045 is 5402875431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345782045 - 2³ = 1345782037 is a prime.

It is a super-2 number, since 2×1345782045² = 3622258625288764050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1345781994 and 1345782012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345782047) 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, 44859387 + ... + 44859416.

It is an arithmetic number, because the mean of its divisors is an integer number (269156412).

Almost surely, 2^1345782045 is an apocalyptic number.

1345782045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345782045 is a deficient number, since it is larger than the sum of its proper divisors (807469251).

1345782045 is an equidigital number, since it uses as much as digits as its factorization.

1345782045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89718811.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 1345782045 is about 36684.9021397086. The cubic root of 1345782045 is about 1104.0572058351.

The spelling of 1345782045 in words is "one billion, three hundred forty-five million, seven hundred eighty-two thousand, forty-five".