1145909296 has 60 divisors (see below), whose sum is σ = 2666049600. Its totient is φ = 475251840.

The previous prime is 1145909263. The next prime is 1145909309. The reversal of 1145909296 is 6929095411.

It is a happy number.

It is a super-2 number, since 2×1145909296² = 2626216229318431232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730 + ... + 47878.

It is an arithmetic number, because the mean of its divisors is an integer number (44434160).

Almost surely, 2^1145909296 is an apocalyptic number.

1145909296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145909296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333024800).

1145909296 is an abundant number, since it is smaller than the sum of its proper divisors (1520140304).

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

1145909296 is a wasteful number, since it uses less digits than its factorization.

1145909296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47202 (or 47189 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 1145909296 is about 33851.2820436686. The cubic root of 1145909296 is about 1046.4458199487.

The spelling of 1145909296 in words is "one billion, one hundred forty-five million, nine hundred nine thousand, two hundred ninety-six".