1145712578 has 16 divisors (see below), whose sum is σ = 1830820320. Its totient is φ = 536165856.

The previous prime is 1145712551. The next prime is 1145712583. The reversal of 1145712578 is 8752175411.

It is a super-2 number, since 2×1145712578² = 2625314622774812168, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178475 + ... + 184782.

It is an arithmetic number, because the mean of its divisors is an integer number (114426270).

Almost surely, 2^1145712578 is an apocalyptic number.

1145712578 is a deficient number, since it is larger than the sum of its proper divisors (685107742).

1145712578 is a wasteful number, since it uses less digits than its factorization.

1145712578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363361.

The product of its digits is 78400, while the sum is 41.

The square root of 1145712578 is about 33848.3762978374. The cubic root of 1145712578 is about 1046.3859354795.

Adding to 1145712578 its reverse (8752175411), we get a palindrome (9897887989).

The spelling of 1145712578 in words is "one billion, one hundred forty-five million, seven hundred twelve thousand, five hundred seventy-eight".