1402445163 has 16 divisors (see below), whose sum is σ = 2173282560. Its totient is φ = 787813536.

The previous prime is 1402445159. The next prime is 1402445201. The reversal of 1402445163 is 3615442041.

It is not a de Polignac number, because 1402445163 - 2² = 1402445159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402445163.

It is not an unprimeable number, because it can be changed into a prime (1402445113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564720 + ... + 567197.

It is an arithmetic number, because the mean of its divisors is an integer number (135830160).

Almost surely, 2^1402445163 is an apocalyptic number.

1402445163 is a deficient number, since it is larger than the sum of its proper divisors (770837397).

1402445163 is a wasteful number, since it uses less digits than its factorization.

1402445163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131986.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1402445163 is about 37449.2344781572. The cubic root of 1402445163 is about 1119.3398434783.

The spelling of 1402445163 in words is "one billion, four hundred two million, four hundred forty-five thousand, one hundred sixty-three".