1140545 has 8 divisors (see below), whose sum is σ = 1564224. Its totient is φ = 782064.

The previous prime is 1140539. The next prime is 1140563. The reversal of 1140545 is 5450411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140545 - 2⁸ = 1140289 is a prime.

It is a Duffinian number.

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, 16259 + ... + 16328.

It is an arithmetic number, because the mean of its divisors is an integer number (195528).

2^1140545 is an apocalyptic number.

It is an amenable number.

1140545 is a deficient number, since it is larger than the sum of its proper divisors (423679).

1140545 is an equidigital number, since it uses as much as digits as its factorization.

1140545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32599.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1140545 is about 1067.9630143409. The cubic root of 1140545 is about 104.4810371336.

Adding to 1140545 its reverse (5450411), we get a palindrome (6590956).

The spelling of 1140545 in words is "one million, one hundred forty thousand, five hundred forty-five".