1345683455 has 12 divisors (see below), whose sum is σ = 1704286152. Its totient is φ = 1019885040.

The previous prime is 1345683431. The next prime is 1345683457. The reversal of 1345683455 is 5543865431.

It is a happy number.

It is not a de Polignac number, because 1345683455 - 2¹² = 1345679359 is a prime.

It is a super-2 number, since 2×1345683455² = 3621727922121474050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345683457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370961 + ... + 374570.

It is an arithmetic number, because the mean of its divisors is an integer number (142023846).

Almost surely, 2^1345683455 is an apocalyptic number.

1345683455 is a deficient number, since it is larger than the sum of its proper divisors (358602697).

1345683455 is an equidigital number, since it uses as much as digits as its factorization.

1345683455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745574 (or 745555 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The square root of 1345683455 is about 36683.5583742908. The cubic root of 1345683455 is about 1104.0302446446.

The spelling of 1345683455 in words is "one billion, three hundred forty-five million, six hundred eighty-three thousand, four hundred fifty-five".