1145812478 has 16 divisors (see below), whose sum is σ = 1837843344. Its totient is φ = 533865600.

The previous prime is 1145812477. The next prime is 1145812487. The reversal of 1145812478 is 8742185411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145812477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163400 + ... + 170267.

It is an arithmetic number, because the mean of its divisors is an integer number (114865209).

Almost surely, 2^1145812478 is an apocalyptic number.

1145812478 is a deficient number, since it is larger than the sum of its proper divisors (692030866).

1145812478 is a wasteful number, since it uses less digits than its factorization.

1145812478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333787.

The product of its digits is 71680, while the sum is 41.

The square root of 1145812478 is about 33849.8519642258. The cubic root of 1145812478 is about 1046.4163476786.

Adding to 1145812478 its reverse (8742185411), we get a palindrome (9887997889).

The spelling of 1145812478 in words is "one billion, one hundred forty-five million, eight hundred twelve thousand, four hundred seventy-eight".