1143602355 has 64 divisors (see below), whose sum is σ = 2158571520. Its totient is φ = 506179584.

The previous prime is 1143602353. The next prime is 1143602363. The reversal of 1143602355 is 5532063411.

It is not a de Polignac number, because 1143602355 - 2¹ = 1143602353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143602353) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 477501 + ... + 479889.

It is an arithmetic number, because the mean of its divisors is an integer number (33727680).

Almost surely, 2^1143602355 is an apocalyptic number.

1143602355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143602355 is a deficient number, since it is larger than the sum of its proper divisors (1014969165).

1143602355 is a wasteful number, since it uses less digits than its factorization.

1143602355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1143602355 is about 33817.1902292311. The cubic root of 1143602355 is about 1045.7431143619.

Adding to 1143602355 its reverse (5532063411), we get a palindrome (6675665766).

The spelling of 1143602355 in words is "one billion, one hundred forty-three million, six hundred two thousand, three hundred fifty-five".