1143480955 has 8 divisors (see below), whose sum is σ = 1374930000. Its totient is φ = 912949536.

The previous prime is 1143480953. The next prime is 1143481007. The reversal of 1143480955 is 5590843411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143480955 - 2¹ = 1143480953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143480953) 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, 226660 + ... + 231649.

It is an arithmetic number, because the mean of its divisors is an integer number (171866250).

Almost surely, 2^1143480955 is an apocalyptic number.

1143480955 is a deficient number, since it is larger than the sum of its proper divisors (231449045).

1143480955 is an equidigital number, since it uses as much as digits as its factorization.

1143480955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458813.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1143480955 is about 33815.3952364895. The cubic root of 1143480955 is about 1045.7061091605.

The spelling of 1143480955 in words is "one billion, one hundred forty-three million, four hundred eighty thousand, nine hundred fifty-five".