1145537792 has 144 divisors (see below), whose sum is σ = 2858591232. Its totient is φ = 446791680.

The previous prime is 1145537773. The next prime is 1145537801. The reversal of 1145537792 is 2977355411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943778 + ... + 944990.

It is an arithmetic number, because the mean of its divisors is an integer number (19851328).

Almost surely, 2^1145537792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145537792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429295616).

1145537792 is an abundant number, since it is smaller than the sum of its proper divisors (1713053440).

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

1145537792 is a wasteful number, since it uses less digits than its factorization.

1145537792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1270 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 1145537792 is about 33845.7943029854. The cubic root of 1145537792 is about 1046.3327217512.

The spelling of 1145537792 in words is "one billion, one hundred forty-five million, five hundred thirty-seven thousand, seven hundred ninety-two".