1145863674 has 24 divisors (see below), whose sum is σ = 2483949780. Its totient is φ = 381763008.

The previous prime is 1145863627. The next prime is 1145863687. The reversal of 1145863674 is 4763685411.

1145863674 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 8 + 636 + 7 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 797780025 + 348083649 = 28245^2 + 18657^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23572 + ... + 53360.

Almost surely, 2^1145863674 is an apocalyptic number.

1145863674 is an abundant number, since it is smaller than the sum of its proper divisors (1338086106).

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

1145863674 is a wasteful number, since it uses less digits than its factorization.

1145863674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31934 (or 31931 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 1145863674 is about 33850.6081776975. The cubic root of 1145863674 is about 1046.4319324083.

The spelling of 1145863674 in words is "one billion, one hundred forty-five million, eight hundred sixty-three thousand, six hundred seventy-four".