3402045445 has 4 divisors (see below), whose sum is σ = 4082454540. Its totient is φ = 2721636352.

The previous prime is 3402045373. The next prime is 3402045463. The reversal of 3402045445 is 5445402043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1459087204 + 1942958241 = 38198^2 + 44079^2 .

It is a cyclic number.

It is not a de Polignac number, because 3402045445 - 2¹¹ = 3402043397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340204540 + ... + 340204549.

It is an arithmetic number, because the mean of its divisors is an integer number (1020613635).

Almost surely, 2^3402045445 is an apocalyptic number.

It is an amenable number.

3402045445 is a deficient number, since it is larger than the sum of its proper divisors (680409095).

3402045445 is an equidigital number, since it uses as much as digits as its factorization.

3402045445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680409094.

The product of its (nonzero) digits is 38400, while the sum is 31.

The square root of 3402045445 is about 58327.0558574664. The cubic root of 3402045445 is about 1503.9960773827.

Adding to 3402045445 its reverse (5445402043), we get a palindrome (8847447488).

The spelling of 3402045445 in words is "three billion, four hundred two million, forty-five thousand, four hundred forty-five".