1145255103 has 12 divisors (see below), whose sum is σ = 1707620928. Its totient is φ = 738874080.

The previous prime is 1145255101. The next prime is 1145255107. The reversal of 1145255103 is 3015525411.

1145255103 is a `hidden beast` number, since 1 + 145 + 2 + 5 + 510 + 3 = 666.

It is not a de Polignac number, because 1145255103 - 2¹ = 1145255101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145255101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2052150 + ... + 2052707.

It is an arithmetic number, because the mean of its divisors is an integer number (142301744).

Almost surely, 2^1145255103 is an apocalyptic number.

1145255103 is a deficient number, since it is larger than the sum of its proper divisors (562365825).

1145255103 is a wasteful number, since it uses less digits than its factorization.

1145255103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104894 (or 4104891 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1145255103 is about 33841.6179134509. The cubic root of 1145255103 is about 1046.2466454160.

The spelling of 1145255103 in words is "one billion, one hundred forty-five million, two hundred fifty-five thousand, one hundred three".