1143605670 has 32 divisors (see below), whose sum is σ = 2745550080. Its totient is φ = 304861920.

The previous prime is 1143605641. The next prime is 1143605693. The reversal of 1143605670 is 765063411.

1143605670 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1143605670² = 2615667856912297800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 159421 + ... + 166439.

It is an arithmetic number, because the mean of its divisors is an integer number (85798440).

Almost surely, 2^1143605670 is an apocalyptic number.

1143605670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143605670 is an abundant number, since it is smaller than the sum of its proper divisors (1601944410).

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

1143605670 is a wasteful number, since it uses less digits than its factorization.

1143605670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12460.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1143605670 is about 33817.2392427294. The cubic root of 1143605670 is about 1045.7441248049.

The spelling of 1143605670 in words is "one billion, one hundred forty-three million, six hundred five thousand, six hundred seventy".