1143341154 has 24 divisors (see below), whose sum is σ = 2622959820. Its totient is φ = 358695168.

The previous prime is 1143341149. The next prime is 1143341159. The reversal of 1143341154 is 4511433411.

It is an interprime number because it is at equal distance from previous prime (1143341149) and next prime (1143341159).

It can be written as a sum of positive squares in 2 ways, for example, as 1032144129 + 111197025 = 32127^2 + 10545^2 .

It is not an unprimeable number, because it can be changed into a prime (1143341159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1867899 + ... + 1868510.

Almost surely, 2^1143341154 is an apocalyptic number.

1143341154 is an abundant number, since it is smaller than the sum of its proper divisors (1479618666).

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

1143341154 is a wasteful number, since it uses less digits than its factorization.

1143341154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736434 (or 3736431 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1143341154 is about 33813.3280527073. The cubic root of 1143341154 is about 1045.6634917132.

Adding to 1143341154 its reverse (4511433411), we get a palindrome (5654774565).

The spelling of 1143341154 in words is "one billion, one hundred forty-three million, three hundred forty-one thousand, one hundred fifty-four".