1118245745 has 32 divisors (see below), whose sum is σ = 1405641600. Its totient is φ = 853332480.

The previous prime is 1118245679. The next prime is 1118245753. The reversal of 1118245745 is 5475428111.

It is not a de Polignac number, because 1118245745 - 2²⁶ = 1051136881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1118245699 and 1118245708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146085 + ... + 2146605.

It is an arithmetic number, because the mean of its divisors is an integer number (43926300).

Almost surely, 2^1118245745 is an apocalyptic number.

It is an amenable number.

1118245745 is a deficient number, since it is larger than the sum of its proper divisors (287395855).

1118245745 is a wasteful number, since it uses less digits than its factorization.

1118245745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785.

The product of its digits is 44800, while the sum is 38.

The square root of 1118245745 is about 33440.1815934065. The cubic root of 1118245745 is about 1037.9563371162.

The spelling of 1118245745 in words is "one billion, one hundred eighteen million, two hundred forty-five thousand, seven hundred forty-five".