1143029990 has 8 divisors (see below), whose sum is σ = 2057454000. Its totient is φ = 457211992.

The previous prime is 1143029971. The next prime is 1143030001. The reversal of 1143029990 is 999203411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57151490 + ... + 57151509.

It is an arithmetic number, because the mean of its divisors is an integer number (257181750).

Almost surely, 2^1143029990 is an apocalyptic number.

1143029990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143029990 is a deficient number, since it is larger than the sum of its proper divisors (914424010).

1143029990 is a wasteful number, since it uses less digits than its factorization.

1143029990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114303006.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1143029990 is about 33808.7265362066. The cubic root of 1143029990 is about 1045.5686228705.

The spelling of 1143029990 in words is "one billion, one hundred forty-three million, twenty-nine thousand, nine hundred ninety".