1455143 has 2 divisors, whose sum is σ = 1455144. Its totient is φ = 1455142.

The previous prime is 1455127. The next prime is 1455151. The reversal of 1455143 is 3415541.

It is a strong prime.

It is an emirp because it is prime and its reverse (3415541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1455143 - 2⁴ = 1455127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727571 + 727572.

It is an arithmetic number, because the mean of its divisors is an integer number (727572).

2^1455143 is an apocalyptic number.

1455143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455143 is an equidigital number, since it uses as much as digits as its factorization.

1455143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 1455143 is about 1206.2930821322. The cubic root of 1455143 is about 113.3187803305.

The spelling of 1455143 in words is "one million, four hundred fifty-five thousand, one hundred forty-three".