1345455 has 24 divisors (see below), whose sum is σ = 2414880. Its totient is φ = 692160.

The previous prime is 1345453. The next prime is 1345457. The reversal of 1345455 is 5545431.

1345455 = T₂₉₀ + T₂₉₁ + ... + T₃₁₈.

It is an interprime number because it is at equal distance from previous prime (1345453) and next prime (1345457).

It is not a de Polignac number, because 1345455 - 2¹ = 1345453 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 790 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (100620).

2^1345455 is an apocalyptic number.

1345455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345455 is a deficient number, since it is larger than the sum of its proper divisors (1069425).

1345455 is a wasteful number, since it uses less digits than its factorization.

1345455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071 (or 1068 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 1345455 is about 1159.9374983162. The cubic root of 1345455 is about 110.3967764497.

The spelling of 1345455 in words is "one million, three hundred forty-five thousand, four hundred fifty-five".