1143012153 has 8 divisors (see below), whose sum is σ = 1613664288. Its totient is φ = 717184064.

The previous prime is 1143012139. The next prime is 1143012181. The reversal of 1143012153 is 3512103411.

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 1143012153 - 2¹⁴ = 1142995769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143012193) 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, 11205951 + ... + 11206052.

It is an arithmetic number, because the mean of its divisors is an integer number (201708036).

Almost surely, 2^1143012153 is an apocalyptic number.

It is an amenable number.

1143012153 is a deficient number, since it is larger than the sum of its proper divisors (470652135).

1143012153 is a wasteful number, since it uses less digits than its factorization.

1143012153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22412023.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1143012153 is about 33808.4627423372. The cubic root of 1143012153 is about 1045.5631841376.

Adding to 1143012153 its reverse (3512103411), we get a palindrome (4655115564).

The spelling of 1143012153 in words is "one billion, one hundred forty-three million, twelve thousand, one hundred fifty-three".