1150021045 has 16 divisors (see below), whose sum is σ = 1441181952. Its totient is φ = 879310080.

The previous prime is 1150020997. The next prime is 1150021099. The reversal of 1150021045 is 5401200511.

It is not a de Polignac number, because 1150021045 - 2¹⁷ = 1149889973 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174205 + ... + 180685.

It is an arithmetic number, because the mean of its divisors is an integer number (90073872).

Almost surely, 2^1150021045 is an apocalyptic number.

It is an amenable number.

1150021045 is a deficient number, since it is larger than the sum of its proper divisors (291160907).

1150021045 is a wasteful number, since it uses less digits than its factorization.

1150021045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1150021045 is about 33911.9602058035. The cubic root of 1150021045 is about 1047.6959440389.

Adding to 1150021045 its reverse (5401200511), we get a palindrome (6551221556).

The spelling of 1150021045 in words is "one billion, one hundred fifty million, twenty-one thousand, forty-five".