1045556103 has 16 divisors (see below), whose sum is σ = 1455482880. Its totient is φ = 666366624.

The previous prime is 1045556089. The next prime is 1045556119. The reversal of 1045556103 is 3016555401.

It is not a de Polignac number, because 1045556103 - 2²¹ = 1043458951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045556173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184825 + ... + 190397.

It is an arithmetic number, because the mean of its divisors is an integer number (90967680).

Almost surely, 2^1045556103 is an apocalyptic number.

1045556103 is a deficient number, since it is larger than the sum of its proper divisors (409926777).

1045556103 is a wasteful number, since it uses less digits than its factorization.

1045556103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1045556103 is about 32335.0599659255. The cubic root of 1045556103 is about 1014.9604368735.

The spelling of 1045556103 in words is "one billion, forty-five million, five hundred fifty-six thousand, one hundred three".