1345797452 has 24 divisors (see below), whose sum is σ = 2498183856. Its totient is φ = 632173568.

The previous prime is 1345797449. The next prime is 1345797473. The reversal of 1345797452 is 2547975431.

It is a super-2 number, since 2×1345797452² = 3622341563619384608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345797397 and 1345797406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20708 + ... + 55860.

It is an arithmetic number, because the mean of its divisors is an integer number (104090994).

Almost surely, 2^1345797452 is an apocalyptic number.

It is an amenable number.

1345797452 is a deficient number, since it is larger than the sum of its proper divisors (1152386404).

1345797452 is a wasteful number, since it uses less digits than its factorization.

1345797452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35737 (or 35735 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The square root of 1345797452 is about 36685.1121301271. The cubic root of 1345797452 is about 1104.0614190345.

The spelling of 1345797452 in words is "one billion, three hundred forty-five million, seven hundred ninety-seven thousand, four hundred fifty-two".