5451345 has 36 divisors (see below), whose sum is σ = 9920820. Its totient is φ = 2768832.

The previous prime is 5451343. The next prime is 5451349. The reversal of 5451345 is 5431545.

5451345 = T₂₁₄ + T₂₁₅ + ... + T₃₄₈.

5451345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 1718721 = 1932^2 + 1311^2 .

It is not a de Polignac number, because 5451345 - 2¹ = 5451343 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23691 + ... + 23919.

Almost surely, 2^5451345 is an apocalyptic number.

It is an amenable number.

5451345 is a deficient number, since it is larger than the sum of its proper divisors (4469475).

5451345 is a wasteful number, since it uses less digits than its factorization.

5451345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 260 counting only the distinct ones).

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

The square root of 5451345 is about 2334.8115555650. The cubic root of 5451345 is about 175.9953618785.

The spelling of 5451345 in words is "five million, four hundred fifty-one thousand, three hundred forty-five".