1045450445 has 16 divisors (see below), whose sum is σ = 1430518320. Its totient is φ = 726610944.

The previous prime is 1045450423. The next prime is 1045450451. The reversal of 1045450445 is 5440545401.

It can be written as a sum of positive squares in 8 ways, for example, as 22857961 + 1022592484 = 4781^2 + 31978^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045450445 - 2¹² = 1045446349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471950 + ... + 474159.

It is an arithmetic number, because the mean of its divisors is an integer number (89407395).

Almost surely, 2^1045450445 is an apocalyptic number.

It is an amenable number.

1045450445 is a deficient number, since it is larger than the sum of its proper divisors (385067875).

1045450445 is a wasteful number, since it uses less digits than its factorization.

1045450445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946144.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1045450445 is about 32333.4261252964. The cubic root of 1045450445 is about 1014.9262469969.

Adding to 1045450445 its reverse (5440545401), we get a palindrome (6485995846).

The spelling of 1045450445 in words is "one billion, forty-five million, four hundred fifty thousand, four hundred forty-five".