1145648475 has 24 divisors (see below), whose sum is σ = 2104599920. Its totient is φ = 611012160.

The previous prime is 1145648467. The next prime is 1145648519. The reversal of 1145648475 is 5748465411.

1145648475 is a `hidden beast` number, since 1 + 1 + 4 + 564 + 84 + 7 + 5 = 666.

It is not a de Polignac number, because 1145648475 - 2³ = 1145648467 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1145648475.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847954 + ... + 849303.

Almost surely, 2^1145648475 is an apocalyptic number.

1145648475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145648475 is a deficient number, since it is larger than the sum of its proper divisors (958951445).

1145648475 is a wasteful number, since it uses less digits than its factorization.

1145648475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697276 (or 1697265 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1145648475 is about 33847.4293706332. The cubic root of 1145648475 is about 1046.3664199018.

The spelling of 1145648475 in words is "one billion, one hundred forty-five million, six hundred forty-eight thousand, four hundred seventy-five".