1145040684 has 24 divisors (see below), whose sum is σ = 2672797680. Its totient is φ = 381532224.

The previous prime is 1145040683. The next prime is 1145040709. The reversal of 1145040684 is 4860405411.

It is a super-2 number, since 2×1145040684² = 2622236336030375712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145040683) 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, 16362 + ... + 50574.

It is an arithmetic number, because the mean of its divisors is an integer number (111366570).

Almost surely, 2^1145040684 is an apocalyptic number.

It is an amenable number.

1145040684 is an abundant number, since it is smaller than the sum of its proper divisors (1527756996).

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

1145040684 is a wasteful number, since it uses less digits than its factorization.

1145040684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37009 (or 37007 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1145040684 is about 33838.4497871874. The cubic root of 1145040684 is about 1046.1813472536.

The spelling of 1145040684 in words is "one billion, one hundred forty-five million, forty thousand, six hundred eighty-four".