1155446002 has 4 divisors (see below), whose sum is σ = 1733169006. Its totient is φ = 577723000.

The previous prime is 1155445997. The next prime is 1155446003. The reversal of 1155446002 is 2006445511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2006445511 = 7 ⋅286635073.

It can be written as a sum of positive squares in only one way, i.e., 1120977361 + 34468641 = 33481^2 + 5871^2 .

It is not an unprimeable number, because it can be changed into a prime (1155446003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288861499 + ... + 288861502.

Almost surely, 2^1155446002 is an apocalyptic number.

1155446002 is a deficient number, since it is larger than the sum of its proper divisors (577723004).

1155446002 is an equidigital number, since it uses as much as digits as its factorization.

1155446002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577723003.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1155446002 is about 33991.8519942647. The cubic root of 1155446002 is about 1049.3407810710.

The spelling of 1155446002 in words is "one billion, one hundred fifty-five million, four hundred forty-six thousand, two".