1143154 has 16 divisors (see below), whose sum is σ = 1836000. Its totient is φ = 532224.

The previous prime is 1143143. The next prime is 1143161. The reversal of 1143154 is 4513411.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (114750).

2^1143154 is an apocalyptic number.

1143154 is a deficient number, since it is larger than the sum of its proper divisors (692846).

1143154 is a wasteful number, since it uses less digits than its factorization.

1143154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its digits is 240, while the sum is 19.

The square root of 1143154 is about 1069.1838008500. The cubic root of 1143154 is about 104.5606433566.

Adding to 1143154 its reverse (4513411), we get a palindrome (5656565).

The spelling of 1143154 in words is "one million, one hundred forty-three thousand, one hundred fifty-four".