1145250992 has 80 divisors (see below), whose sum is σ = 2422464000. Its totient is φ = 522692352.

The previous prime is 1145250989. The next prime is 1145251001. The reversal of 1145250992 is 2990525411.

It is a super-3 number, since 3×1145250992³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 1032134 + ... + 1033242.

It is an arithmetic number, because the mean of its divisors is an integer number (30280800).

Almost surely, 2^1145250992 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 1145250992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211232000).

1145250992 is an abundant number, since it is smaller than the sum of its proper divisors (1277213008).

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

1145250992 is a wasteful number, since it uses less digits than its factorization.

1145250992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1145250992 is about 33841.5571745746. The cubic root of 1145250992 is about 1046.2453935479.

The spelling of 1145250992 in words is "one billion, one hundred forty-five million, two hundred fifty thousand, nine hundred ninety-two".