1011450445 has 8 divisors (see below), whose sum is σ = 1285137144. Its totient is φ = 761562624.

The previous prime is 1011450409. The next prime is 1011450469. The reversal of 1011450445 is 5440541101.

It can be written as a sum of positive squares in 4 ways, for example, as 472932009 + 538518436 = 21747^2 + 23206^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011450445 - 2⁷ = 1011450317 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 5949624 + ... + 5949793.

It is an arithmetic number, because the mean of its divisors is an integer number (160642143).

Almost surely, 2^1011450445 is an apocalyptic number.

It is an amenable number.

1011450445 is a deficient number, since it is larger than the sum of its proper divisors (273686699).

1011450445 is a wasteful number, since it uses less digits than its factorization.

1011450445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11899439.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1011450445 is about 31803.3087115162. The cubic root of 1011450445 is about 1003.8023388945.

Adding to 1011450445 its reverse (5440541101), we get a palindrome (6451991546).

The spelling of 1011450445 in words is "one billion, eleven million, four hundred fifty thousand, four hundred forty-five".