1145257876 has 12 divisors (see below), whose sum is σ = 2290515808. Its totient is φ = 490824792.

The previous prime is 1145257871. The next prime is 1145257901. The reversal of 1145257876 is 6787525411.

1145257876 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145257871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20451006 + ... + 20451061.

Almost surely, 2^1145257876 is an apocalyptic number.

It is an amenable number.

1145257876 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1145257876 is a wasteful number, since it uses less digits than its factorization.

1145257876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40902078 (or 40902076 counting only the distinct ones).

The product of its digits is 470400, while the sum is 46.

The square root of 1145257876 is about 33841.6588836895. The cubic root of 1145257876 is about 1046.2474898391.

The spelling of 1145257876 in words is "one billion, one hundred forty-five million, two hundred fifty-seven thousand, eight hundred seventy-six".