1147052745 has 40 divisors (see below), whose sum is σ = 2082284160. Its totient is φ = 604000800.

The previous prime is 1147052729. The next prime is 1147052749. The reversal of 1147052745 is 5472507411.

It is not a de Polignac number, because 1147052745 - 2⁴ = 1147052729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147052749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14070 + ... + 49920.

It is an arithmetic number, because the mean of its divisors is an integer number (52057104).

Almost surely, 2^1147052745 is an apocalyptic number.

1147052745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1147052745 is a deficient number, since it is larger than the sum of its proper divisors (935231415).

1147052745 is an equidigital number, since it uses as much as digits as its factorization.

1147052745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35947 (or 35938 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 1147052745 is about 33868.1671337556. The cubic root of 1147052745 is about 1046.7937705980.

The spelling of 1147052745 in words is "one billion, one hundred forty-seven million, fifty-two thousand, seven hundred forty-five".