1345292045 has 18 divisors (see below), whose sum is σ = 1654168842. Its totient is φ = 1050316896.

The previous prime is 1345291999. The next prime is 1345292051. The reversal of 1345292045 is 5402925431.

It can be written as a sum of positive squares in 3 ways, for example, as 385965316 + 959326729 = 19646^2 + 30973^2 .

It is not a de Polignac number, because 1345292045 - 2¹² = 1345287949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345291996 and 1345292014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3854531 + ... + 3854879.

It is an arithmetic number, because the mean of its divisors is an integer number (91898269).

Almost surely, 2^1345292045 is an apocalyptic number.

It is an amenable number.

1345292045 is a deficient number, since it is larger than the sum of its proper divisors (308876797).

1345292045 is an frugal number, since it uses more digits than its factorization.

1345292045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1345292045 is about 36678.2230349291. The cubic root of 1345292045 is about 1103.9231936191.

The spelling of 1345292045 in words is "one billion, three hundred forty-five million, two hundred ninety-two thousand, forty-five".