1147474945 has 16 divisors (see below), whose sum is σ = 1437875712. Its totient is φ = 877433920.

The previous prime is 1147474907. The next prime is 1147474973. The reversal of 1147474945 is 5494747411.

It is not a de Polignac number, because 1147474945 - 2⁷ = 1147474817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1147474895 and 1147474904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212499 + ... + 217831.

It is an arithmetic number, because the mean of its divisors is an integer number (89867232).

Almost surely, 2^1147474945 is an apocalyptic number.

It is an amenable number.

1147474945 is a deficient number, since it is larger than the sum of its proper divisors (290400767).

1147474945 is a wasteful number, since it uses less digits than its factorization.

1147474945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its digits is 564480, while the sum is 46.

The square root of 1147474945 is about 33874.3995518740. The cubic root of 1147474945 is about 1046.9221872782.

The spelling of 1147474945 in words is "one billion, one hundred forty-seven million, four hundred seventy-four thousand, nine hundred forty-five".