1145863734 has 8 divisors (see below), whose sum is σ = 2291727480. Its totient is φ = 381954576.

The previous prime is 1145863727. The next prime is 1145863783. The reversal of 1145863734 is 4373685411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1145863734 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95488639 + ... + 95488650.

It is an arithmetic number, because the mean of its divisors is an integer number (286465935).

Almost surely, 2^1145863734 is an apocalyptic number.

1145863734 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.

1145863734 is a wasteful number, since it uses less digits than its factorization.

1145863734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190977294.

The product of its digits is 241920, while the sum is 42.

The square root of 1145863734 is about 33850.6090639445. The cubic root of 1145863734 is about 1046.4319506728.

The spelling of 1145863734 in words is "one billion, one hundred forty-five million, eight hundred sixty-three thousand, seven hundred thirty-four".