1143946110 has 32 divisors (see below), whose sum is σ = 2889970560. Its totient is φ = 288996768.

The previous prime is 1143946109. The next prime is 1143946169. The reversal of 1143946110 is 116493411.

It is a super-2 number, since 2×1143946110² = 2617225405168264200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1002892 + ... + 1004031.

It is an arithmetic number, because the mean of its divisors is an integer number (90311580).

Almost surely, 2^1143946110 is an apocalyptic number.

1143946110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143946110 is an abundant number, since it is smaller than the sum of its proper divisors (1746024450).

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

1143946110 is a wasteful number, since it uses less digits than its factorization.

1143946110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006952.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1143946110 is about 33822.2723955680. The cubic root of 1143946110 is about 1045.8478837077.

The spelling of 1143946110 in words is "one billion, one hundred forty-three million, nine hundred forty-six thousand, one hundred ten".