1143354105 has 24 divisors (see below), whose sum is σ = 2008967688. Its totient is φ = 601433856.

The previous prime is 1143354073. The next prime is 1143354119. The reversal of 1143354105 is 5014533411.

It is a happy number.

1143354105 is a `hidden beast` number, since 114 + 3 + 3 + 541 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 128867904 + 1014486201 = 11352^2 + 31851^2 .

It is not a de Polignac number, because 1143354105 - 2⁵ = 1143354073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170742 + ... + 177311.

It is an arithmetic number, because the mean of its divisors is an integer number (83706987).

Almost surely, 2^1143354105 is an apocalyptic number.

1143354105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143354105 is a deficient number, since it is larger than the sum of its proper divisors (865613583).

1143354105 is a wasteful number, since it uses less digits than its factorization.

1143354105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348137 (or 348134 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1143354105 is about 33813.5195594898. The cubic root of 1143354105 is about 1045.6674398893.

Adding to 1143354105 its reverse (5014533411), we get a palindrome (6157887516).

The spelling of 1143354105 in words is "one billion, one hundred forty-three million, three hundred fifty-four thousand, one hundred five".