1147494445 has 16 divisors (see below), whose sum is σ = 1392652800. Its totient is φ = 907614144.

The previous prime is 1147494437. The next prime is 1147494457. The reversal of 1147494445 is 5444947411.

It is a cyclic number.

It is not a de Polignac number, because 1147494445 - 2³ = 1147494437 is a prime.

It is a congruent number.

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, 162682 + ... + 169588.

It is an arithmetic number, because the mean of its divisors is an integer number (87040800).

Almost surely, 2^1147494445 is an apocalyptic number.

It is an amenable number.

1147494445 is a deficient number, since it is larger than the sum of its proper divisors (245158355).

1147494445 is a wasteful number, since it uses less digits than its factorization.

1147494445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7284.

The product of its digits is 322560, while the sum is 43.

The square root of 1147494445 is about 33874.6873786313. The cubic root of 1147494445 is about 1046.9281176523.

The spelling of 1147494445 in words is "one billion, one hundred forty-seven million, four hundred ninety-four thousand, four hundred forty-five".