1145743480 has 192 divisors, whose sum is σ = 3140424000. Its totient is φ = 375943680.

The previous prime is 1145743451. The next prime is 1145743493. The reversal of 1145743480 is 843475411.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18782650 + ... + 18782710.

It is an arithmetic number, because the mean of its divisors is an integer number (16356375).

Almost surely, 2^1145743480 is an apocalyptic number.

1145743480 is a gapful number since it is divisible by the number (10) 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 1145743480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1570212000).

1145743480 is an abundant number, since it is smaller than the sum of its proper divisors (1994680520).

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

1145743480 is an equidigital number, since it uses as much as digits as its factorization.

1145743480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 1145743480 is about 33848.8327716038. The cubic root of 1145743480 is about 1046.3953430535.

The spelling of 1145743480 in words is "one billion, one hundred forty-five million, seven hundred forty-three thousand, four hundred eighty".