1143450546 has 16 divisors (see below), whose sum is σ = 2613601344. Its totient is φ = 326700144.

The previous prime is 1143450521. The next prime is 1143450547. The reversal of 1143450546 is 6450543411.

It is a super-2 number, since 2×1143450546² = 2614958302295396232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143450547) 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, 13612465 + ... + 13612548.

It is an arithmetic number, because the mean of its divisors is an integer number (163350084).

Almost surely, 2^1143450546 is an apocalyptic number.

1143450546 is an abundant number, since it is smaller than the sum of its proper divisors (1470150798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143450546 is a wasteful number, since it uses less digits than its factorization.

1143450546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27225025.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1143450546 is about 33814.9456010209. The cubic root of 1143450546 is about 1045.6968394655.

Adding to 1143450546 its reverse (6450543411), we get a palindrome (7593993957).

The spelling of 1143450546 in words is "one billion, one hundred forty-three million, four hundred fifty thousand, five hundred forty-six".