1145787426 has 24 divisors (see below), whose sum is σ = 2837188224. Its totient is φ = 327367800.

The previous prime is 1145787397. The next prime is 1145787431. The reversal of 1145787426 is 6247875411.

1145787426 is a `hidden beast` number, since 1 + 1 + 4 + 578 + 74 + 2 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4546650 + ... + 4546901.

It is an arithmetic number, because the mean of its divisors is an integer number (118216176).

Almost surely, 2^1145787426 is an apocalyptic number.

1145787426 is an abundant number, since it is smaller than the sum of its proper divisors (1691400798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145787426 is a wasteful number, since it uses less digits than its factorization.

1145787426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093566 (or 9093563 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 1145787426 is about 33849.4819162716. The cubic root of 1145787426 is about 1046.4087213540.

The spelling of 1145787426 in words is "one billion, one hundred forty-five million, seven hundred eighty-seven thousand, four hundred twenty-six".