1143654353 has 8 divisors (see below), whose sum is σ = 1184599080. Its totient is φ = 1102810240.

The previous prime is 1143654341. The next prime is 1143654371. The reversal of 1143654353 is 3534563411.

It can be written as a sum of positive squares in 4 ways, for example, as 42211009 + 1101443344 = 6497^2 + 33188^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143654353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143654373) 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, 1628 + ... + 47853.

It is an arithmetic number, because the mean of its divisors is an integer number (148074885).

Almost surely, 2^1143654353 is an apocalyptic number.

It is an amenable number.

1143654353 is a deficient number, since it is larger than the sum of its proper divisors (40944727).

1143654353 is an equidigital number, since it uses as much as digits as its factorization.

1143654353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50307.

The product of its digits is 64800, while the sum is 35.

The square root of 1143654353 is about 33817.9590306689. The cubic root of 1143654353 is about 1045.7589636141.

The spelling of 1143654353 in words is "one billion, one hundred forty-three million, six hundred fifty-four thousand, three hundred fifty-three".