1143141554 has 8 divisors (see below), whose sum is σ = 1770025728. Its totient is φ = 553132980.

The previous prime is 1143141539. The next prime is 1143141569. The reversal of 1143141554 is 4551413411.

It is an interprime number because it is at equal distance from previous prime (1143141539) and next prime (1143141569).

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

It is a super-2 number, since 2×1143141554² = 2613545224963069832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9218822 + ... + 9218945.

It is an arithmetic number, because the mean of its divisors is an integer number (221253216).

Almost surely, 2^1143141554 is an apocalyptic number.

1143141554 is a deficient number, since it is larger than the sum of its proper divisors (626884174).

1143141554 is a wasteful number, since it uses less digits than its factorization.

1143141554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18437800.

The product of its digits is 4800, while the sum is 29.

The square root of 1143141554 is about 33810.3764249971. The cubic root of 1143141554 is about 1045.6026388992.

Adding to 1143141554 its reverse (4551413411), we get a palindrome (5694554965).

The spelling of 1143141554 in words is "one billion, one hundred forty-three million, one hundred forty-one thousand, five hundred fifty-four".