1145254400 has 120 divisors (see below), whose sum is σ = 2863303344. Its totient is φ = 453939200.

The previous prime is 1145254367. The next prime is 1145254423. The reversal of 1145254400 is 44525411.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1145254400.

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, 1676459 + ... + 1677141.

Almost surely, 2^1145254400 is an apocalyptic number.

1145254400 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 1145254400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431651672).

1145254400 is an abundant number, since it is smaller than the sum of its proper divisors (1718048944).

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

1145254400 is an equidigital number, since it uses as much as digits as its factorization.

1145254400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1145254400 is about 33841.6075268300. The cubic root of 1145254400 is about 1046.2464313410.

Adding to 1145254400 its reverse (44525411), we get a palindrome (1189779811).

The spelling of 1145254400 in words is "one billion, one hundred forty-five million, two hundred fifty-four thousand, four hundred".