1506143 has 4 divisors (see below), whose sum is σ = 1509360. Its totient is φ = 1502928.

The previous prime is 1506137. The next prime is 1506157. The reversal of 1506143 is 3416051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1506143 - 2⁶ = 1506079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (377340).

2^1506143 is an apocalyptic number.

1506143 is a deficient number, since it is larger than the sum of its proper divisors (3217).

1506143 is an equidigital number, since it uses as much as digits as its factorization.

1506143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1506143 is about 1227.2501782440. The cubic root of 1506143 is about 114.6274776318.

The spelling of 1506143 in words is "one million, five hundred six thousand, one hundred forty-three".