1402845361 has 2 divisors, whose sum is σ = 1402845362. Its totient is φ = 1402845360.

The previous prime is 1402845359. The next prime is 1402845377. The reversal of 1402845361 is 1635482041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391663025 + 11182336 = 37305^2 + 3344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402845361 - 2¹ = 1402845359 is a prime.

Together with 1402845359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402845461) 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, 701422680 + 701422681.

It is an arithmetic number, because the mean of its divisors is an integer number (701422681).

Almost surely, 2^1402845361 is an apocalyptic number.

It is an amenable number.

1402845361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402845361 is an equidigital number, since it uses as much as digits as its factorization.

1402845361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 1402845361 is about 37454.5773037155. The cubic root of 1402845361 is about 1119.4463039603.

The spelling of 1402845361 in words is "one billion, four hundred two million, eight hundred forty-five thousand, three hundred sixty-one".