1143346470 has 64 divisors (see below), whose sum is σ = 3301102080. Its totient is φ = 247580928.

The previous prime is 1143346439. The next prime is 1143346471. The reversal of 1143346470 is 746433411.

It is a super-2 number, since 2×1143346470² = 2614482300922921800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143346471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139287 + ... + 147266.

It is an arithmetic number, because the mean of its divisors is an integer number (51579720).

Almost surely, 2^1143346470 is an apocalyptic number.

1143346470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143346470 is an abundant number, since it is smaller than the sum of its proper divisors (2157755610).

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

1143346470 is a wasteful number, since it uses less digits than its factorization.

1143346470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286589.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1143346470 is about 33813.4066606723. The cubic root of 1143346470 is about 1045.6651123256.

Adding to 1143346470 its reverse (746433411), we get a palindrome (1889779881).

The spelling of 1143346470 in words is "one billion, one hundred forty-three million, three hundred forty-six thousand, four hundred seventy".