1143353340 has 48 divisors (see below), whose sum is σ = 3557100960. Its totient is φ = 304894080.

The previous prime is 1143353311. The next prime is 1143353357. The reversal of 1143353340 is 433533411.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1058121 + ... + 1059200.

It is an arithmetic number, because the mean of its divisors is an integer number (74106270).

Almost surely, 2^1143353340 is an apocalyptic number.

1143353340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143353340 is an abundant number, since it is smaller than the sum of its proper divisors (2413747620).

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

1143353340 is a wasteful number, since it uses less digits than its factorization.

1143353340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117339 (or 2117331 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1143353340 is about 33813.5082474445. The cubic root of 1143353340 is about 1045.6672066761.

Adding to 1143353340 its reverse (433533411), we get a palindrome (1576886751).

It can be divided in two parts, 1 and 143353340, that added together give a palindrome (143353341).

The spelling of 1143353340 in words is "one billion, one hundred forty-three million, three hundred fifty-three thousand, three hundred forty".