1102845749 has 2 divisors, whose sum is σ = 1102845750. Its totient is φ = 1102845748.

The previous prime is 1102845721. The next prime is 1102845781. The reversal of 1102845749 is 9475482011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928420900 + 174424849 = 30470^2 + 13207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102845749 - 2¹⁶ = 1102780213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102845049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551422874 + 551422875.

It is an arithmetic number, because the mean of its divisors is an integer number (551422875).

Almost surely, 2^1102845749 is an apocalyptic number.

It is an amenable number.

1102845749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102845749 is an equidigital number, since it uses as much as digits as its factorization.

1102845749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1102845749 is about 33209.1214728725. The cubic root of 1102845749 is about 1033.1695337891.

The spelling of 1102845749 in words is "one billion, one hundred two million, eight hundred forty-five thousand, seven hundred forty-nine".