1150251145 has 8 divisors (see below), whose sum is σ = 1399210056. Its totient is φ = 907595136.

The previous prime is 1150251143. The next prime is 1150251169. The reversal of 1150251145 is 5411520511.

It can be written as a sum of positive squares in 4 ways, for example, as 46416969 + 1103834176 = 6813^2 + 33224^2 .

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 1150251145 - 2¹ = 1150251143 is a prime.

It is a super-2 number, since 2×1150251145² = 2646155393147622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150251143) 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 7 ways as a sum of consecutive naturals, for example, 1575322 + ... + 1576051.

It is an arithmetic number, because the mean of its divisors is an integer number (174901257).

Almost surely, 2^1150251145 is an apocalyptic number.

It is an amenable number.

1150251145 is a deficient number, since it is larger than the sum of its proper divisors (248958911).

1150251145 is an equidigital number, since it uses as much as digits as its factorization.

1150251145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3151451.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1150251145 is about 33915.3526444883. The cubic root of 1150251145 is about 1047.7658148647.

Adding to 1150251145 its reverse (5411520511), we get a palindrome (6561771656).

The spelling of 1150251145 in words is "one billion, one hundred fifty million, two hundred fifty-one thousand, one hundred forty-five".