1602973445 has 4 divisors (see below), whose sum is σ = 1923568140. Its totient is φ = 1282378752.

The previous prime is 1602973397. The next prime is 1602973483. The reversal of 1602973445 is 5443792061.

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 1109822596 + 493150849 = 33314^2 + 22207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602973445 - 2¹² = 1602969349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160297340 + ... + 160297349.

It is an arithmetic number, because the mean of its divisors is an integer number (480892035).

Almost surely, 2^1602973445 is an apocalyptic number.

It is an amenable number.

1602973445 is a deficient number, since it is larger than the sum of its proper divisors (320594695).

1602973445 is an equidigital number, since it uses as much as digits as its factorization.

1602973445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320594694.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1602973445 is about 40037.1508102163. The cubic root of 1602973445 is about 1170.3311807496.

The spelling of 1602973445 in words is "one billion, six hundred two million, nine hundred seventy-three thousand, four hundred forty-five".