1045231049 has 2 divisors, whose sum is σ = 1045231050. Its totient is φ = 1045231048.

The previous prime is 1045231037. The next prime is 1045231069. The reversal of 1045231049 is 9401325401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 945870025 + 99361024 = 30755^2 + 9968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045231049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045231069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522615524 + 522615525.

It is an arithmetic number, because the mean of its divisors is an integer number (522615525).

Almost surely, 2^1045231049 is an apocalyptic number.

It is an amenable number.

1045231049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045231049 is an equidigital number, since it uses as much as digits as its factorization.

1045231049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1045231049 is about 32330.0332353680. The cubic root of 1045231049 is about 1014.8552452776.

The spelling of 1045231049 in words is "one billion, forty-five million, two hundred thirty-one thousand, forty-nine".