1151540450 has 12 divisors (see below), whose sum is σ = 2141865330. Its totient is φ = 460616160.

The previous prime is 1151540417. The next prime is 1151540501. The reversal of 1151540450 is 540451511.

It can be written as a sum of positive squares in 3 ways, for example, as 1118166721 + 33373729 = 33439^2 + 5777^2 .

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 5 ways as a sum of consecutive naturals, for example, 11515355 + ... + 11515454.

Almost surely, 2^1151540450 is an apocalyptic number.

1151540450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151540450 is a deficient number, since it is larger than the sum of its proper divisors (990324880).

1151540450 is a wasteful number, since it uses less digits than its factorization.

1151540450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030821 (or 23030816 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1151540450 is about 33934.3550108146. The cubic root of 1151540450 is about 1048.1571454279.

Adding to 1151540450 its reverse (540451511), we get a palindrome (1691991961).

The spelling of 1151540450 in words is "one billion, one hundred fifty-one million, five hundred forty thousand, four hundred fifty".