1102142045 has 8 divisors (see below), whose sum is σ = 1400368824. Its totient is φ = 829848064.

The previous prime is 1102142029. The next prime is 1102142053. The reversal of 1102142045 is 5402412011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 291658084 + 810483961 = 17078^2 + 28469^2 .

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

It is not a de Polignac number, because 1102142045 - 2⁴ = 1102142029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6483104 + ... + 6483273.

It is an arithmetic number, because the mean of its divisors is an integer number (175046103).

Almost surely, 2^1102142045 is an apocalyptic number.

It is an amenable number.

1102142045 is a deficient number, since it is larger than the sum of its proper divisors (298226779).

1102142045 is a wasteful number, since it uses less digits than its factorization.

1102142045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966399.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1102142045 is about 33198.5247413195. The cubic root of 1102142045 is about 1032.9497387039.

Adding to 1102142045 its reverse (5402412011), we get a palindrome (6504554056).

The spelling of 1102142045 in words is "one billion, one hundred two million, one hundred forty-two thousand, forty-five".