1145336201 has 16 divisors (see below), whose sum is σ = 1187531280. Its totient is φ = 1104030720.

The previous prime is 1145336191. The next prime is 1145336249. The reversal of 1145336201 is 1026335411.

It can be written as a sum of positive squares in 8 ways, for example, as 140446201 + 1004890000 = 11851^2 + 31700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145336201 - 2¹⁴ = 1145319817 is a prime.

It is a super-2 number, since 2×1145336201² = 2623590026642224802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145336281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1504661 + ... + 1505421.

It is an arithmetic number, because the mean of its divisors is an integer number (74220705).

Almost surely, 2^1145336201 is an apocalyptic number.

It is an amenable number.

1145336201 is a deficient number, since it is larger than the sum of its proper divisors (42195079).

1145336201 is an equidigital number, since it uses as much as digits as its factorization.

1145336201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1145336201 is about 33842.8160914543. The cubic root of 1145336201 is about 1046.2713404985.

The spelling of 1145336201 in words is "one billion, one hundred forty-five million, three hundred thirty-six thousand, two hundred one".