1102552245 has 12 divisors (see below), whose sum is σ = 1911090636. Its totient is φ = 588027840.

The previous prime is 1102552181. The next prime is 1102552249. The reversal of 1102552245 is 5422552011.

1102552245 is a `hidden beast` number, since 1 + 102 + 552 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 526840209 + 575712036 = 22953^2 + 23994^2 .

It is not a de Polignac number, because 1102552245 - 2⁶ = 1102552181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102552249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12250536 + ... + 12250625.

It is an arithmetic number, because the mean of its divisors is an integer number (159257553).

Almost surely, 2^1102552245 is an apocalyptic number.

1102552245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102552245 is a deficient number, since it is larger than the sum of its proper divisors (808538391).

1102552245 is a wasteful number, since it uses less digits than its factorization.

1102552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24501172 (or 24501169 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1102552245 is about 33204.7021519543. The cubic root of 1102552245 is about 1033.0778720447.

The spelling of 1102552245 in words is "one billion, one hundred two million, five hundred fifty-two thousand, two hundred forty-five".