1140154 has 4 divisors (see below), whose sum is σ = 1710234. Its totient is φ = 570076.

The previous prime is 1140143. The next prime is 1140157. The reversal of 1140154 is 4510411.

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

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 5929 = 1065^2 + 77^2 .

It is a super-2 number, since 2×1140154² = 2599902287432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140157) 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 as a sum of consecutive naturals, namely, 285037 + ... + 285040.

2^1140154 is an apocalyptic number.

1140154 is a deficient number, since it is larger than the sum of its proper divisors (570080).

1140154 is an equidigital number, since it uses as much as digits as its factorization.

1140154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570079.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1140154 is about 1067.7799398753. The cubic root of 1140154 is about 104.4690964226.

Adding to 1140154 its reverse (4510411), we get a palindrome (5650565).

The spelling of 1140154 in words is "one million, one hundred forty thousand, one hundred fifty-four".