1141545 has 8 divisors (see below), whose sum is σ = 1826496. Its totient is φ = 608816.

The previous prime is 1141541. The next prime is 1141571. The reversal of 1141545 is 5451411.

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 1141545 - 2² = 1141541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1141541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38037 + ... + 38066.

It is an arithmetic number, because the mean of its divisors is an integer number (228312).

2^1141545 is an apocalyptic number.

1141545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1141545 is a deficient number, since it is larger than the sum of its proper divisors (684951).

1141545 is an equidigital number, since it uses as much as digits as its factorization.

1141545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76111.

The product of its digits is 400, while the sum is 21.

The square root of 1141545 is about 1068.4310927711. The cubic root of 1141545 is about 104.5115636265.

Adding to 1141545 its reverse (5451411), we get a palindrome (6592956).

The spelling of 1141545 in words is "one million, one hundred forty-one thousand, five hundred forty-five".