1143654346 has 16 divisors (see below), whose sum is σ = 1884283200. Its totient is φ = 518177088.

The previous prime is 1143654341. The next prime is 1143654371. The reversal of 1143654346 is 6434563411.

It is not an unprimeable number, because it can be changed into a prime (1143654341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653391 + ... + 655138.

It is an arithmetic number, because the mean of its divisors is an integer number (117767700).

Almost surely, 2^1143654346 is an apocalyptic number.

1143654346 is a deficient number, since it is larger than the sum of its proper divisors (740628854).

1143654346 is a wasteful number, since it uses less digits than its factorization.

1143654346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308573.

The product of its digits is 103680, while the sum is 37.

The square root of 1143654346 is about 33817.9589271736. The cubic root of 1143654346 is about 1045.7589614805.

The spelling of 1143654346 in words is "one billion, one hundred forty-three million, six hundred fifty-four thousand, three hundred forty-six".