1102002045 has 8 divisors (see below), whose sum is σ = 1763203296. Its totient is φ = 587734416.

The previous prime is 1102002037. The next prime is 1102002049. The reversal of 1102002045 is 5402002011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102002045 - 2³ = 1102002037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 73466803 = 1102002045 / (1 + 1 + 0 + 2 + 0 + 0 + 2 + 0 + 4 + 5).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102002049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36733387 + ... + 36733416.

It is an arithmetic number, because the mean of its divisors is an integer number (220400412).

Almost surely, 2^1102002045 is an apocalyptic number.

1102002045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1102002045 is a deficient number, since it is larger than the sum of its proper divisors (661201251).

1102002045 is an equidigital number, since it uses as much as digits as its factorization.

1102002045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73466811.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1102002045 is about 33196.4161469277. The cubic root of 1102002045 is about 1032.9059999113.

Adding to 1102002045 its reverse (5402002011), we get a palindrome (6504004056).

The spelling of 1102002045 in words is "one billion, one hundred two million, two thousand, forty-five".