1093902445 has 16 divisors (see below), whose sum is σ = 1332399600. Its totient is φ = 862009344.

The previous prime is 1093902419. The next prime is 1093902449. The reversal of 1093902445 is 5442093901.

It can be written as a sum of positive squares in 8 ways, for example, as 89075844 + 1004826601 = 9438^2 + 31699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093902445 - 2⁷ = 1093902317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093902449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 381457 + ... + 384313.

It is an arithmetic number, because the mean of its divisors is an integer number (83274975).

Almost surely, 2^1093902445 is an apocalyptic number.

It is an amenable number.

1093902445 is a deficient number, since it is larger than the sum of its proper divisors (238497155).

1093902445 is a wasteful number, since it uses less digits than its factorization.

1093902445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1093902445 is about 33074.1960597684. The cubic root of 1093902445 is about 1030.3691908684.

The spelling of 1093902445 in words is "one billion, ninety-three million, nine hundred two thousand, four hundred forty-five".