1145651201 has 2 divisors, whose sum is σ = 1145651202. Its totient is φ = 1145651200.

The previous prime is 1145651173. The next prime is 1145651231. The reversal of 1145651201 is 1021565411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716954176 + 428697025 = 26776^2 + 20705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145651201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145651231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572825600 + 572825601.

It is an arithmetic number, because the mean of its divisors is an integer number (572825601).

Almost surely, 2^1145651201 is an apocalyptic number.

It is an amenable number.

1145651201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145651201 is an equidigital number, since it uses as much as digits as its factorization.

1145651201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1145651201 is about 33847.4696395462. The cubic root of 1145651201 is about 1046.3672498226.

The spelling of 1145651201 in words is "one billion, one hundred forty-five million, six hundred fifty-one thousand, two hundred one".