1145046361 has 2 divisors, whose sum is σ = 1145046362. Its totient is φ = 1145046360.

The previous prime is 1145046341. The next prime is 1145046367. The reversal of 1145046361 is 1636405411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771783961 + 373262400 = 27781^2 + 19320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145046361 - 2¹⁵ = 1145013593 is a prime.

It is a super-2 number, since 2×1145046361² = 2622262337678684642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145046367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572523180 + 572523181.

It is an arithmetic number, because the mean of its divisors is an integer number (572523181).

Almost surely, 2^1145046361 is an apocalyptic number.

It is an amenable number.

1145046361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145046361 is an equidigital number, since it uses as much as digits as its factorization.

1145046361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1145046361 is about 33838.5336709498. The cubic root of 1145046361 is about 1046.1830762058.

The spelling of 1145046361 in words is "one billion, one hundred forty-five million, forty-six thousand, three hundred sixty-one".