1143346157 has 8 divisors (see below), whose sum is σ = 1181329920. Its totient is φ = 1105970320.

The previous prime is 1143346151. The next prime is 1143346163. The reversal of 1143346157 is 7516433411.

It is an interprime number because it is at equal distance from previous prime (1143346151) and next prime (1143346163).

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 1143346157 - 2²⁰ = 1142297581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143346151) 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, 148157 + ... + 155682.

It is an arithmetic number, because the mean of its divisors is an integer number (147666240).

Almost surely, 2^1143346157 is an apocalyptic number.

It is an amenable number.

1143346157 is a deficient number, since it is larger than the sum of its proper divisors (37983763).

1143346157 is an equidigital number, since it uses as much as digits as its factorization.

1143346157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303963.

The product of its digits is 30240, while the sum is 35.

The square root of 1143346157 is about 33813.4020323303. The cubic root of 1143346157 is about 1045.6650169059.

Adding to 1143346157 its reverse (7516433411), we get a palindrome (8659779568).

The spelling of 1143346157 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, one hundred fifty-seven".