1045143 has 48 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 570240.

The previous prime is 1045129. The next prime is 1045151. The reversal of 1045143 is 3415401.

Added to its reverse (3415401) it gives a square (4460544 = 2112²).

It is a happy number.

It is not a de Polignac number, because 1045143 - 2⁵ = 1045111 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45430 + ... + 45452.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2^1045143 is an apocalyptic number.

1045143 is a deficient number, since it is larger than the sum of its proper divisors (841833).

1045143 is a wasteful number, since it uses less digits than its factorization.

1045143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1045143 is about 1022.3223562067. The cubic root of 1045143 is about 101.4826747751.

Adding to 1045143 its reverse (3415401), we get a square (4460544 = 2112²).

The spelling of 1045143 in words is "one million, forty-five thousand, one hundred forty-three".