1143490614 has 64 divisors (see below), whose sum is σ = 2706849792. Its totient is φ = 315136800.

The previous prime is 1143490603. The next prime is 1143490631. The reversal of 1143490614 is 4160943411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450529 + ... + 453059.

It is an arithmetic number, because the mean of its divisors is an integer number (42294528).

Almost surely, 2^1143490614 is an apocalyptic number.

1143490614 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143490614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353424896).

1143490614 is an abundant number, since it is smaller than the sum of its proper divisors (1563359178).

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

1143490614 is a wasteful number, since it uses less digits than its factorization.

1143490614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1143490614 is about 33815.5380557518. The cubic root of 1143490614 is about 1045.7090535170.

The spelling of 1143490614 in words is "one billion, one hundred forty-three million, four hundred ninety thousand, six hundred fourteen".