1144245000 has 80 divisors (see below), whose sum is σ = 3574668240. Its totient is φ = 305128000.

The previous prime is 1144244957. The next prime is 1144245001. The reversal of 1144245000 is 5424411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1144245001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23142 + ... + 53141.

It is an arithmetic number, because the mean of its divisors is an integer number (44683353).

Almost surely, 2^1144245000 is an apocalyptic number.

1144245000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144245000 is an abundant number, since it is smaller than the sum of its proper divisors (2430423240).

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

1144245000 is an equidigital number, since it uses as much as digits as its factorization.

1144245000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76312 (or 76293 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1144245000 is about 33826.6906451104. The cubic root of 1144245000 is about 1045.9389620812.

Adding to 1144245000 its reverse (5424411), we get a palindrome (1149669411).

The spelling of 1144245000 in words is "one billion, one hundred forty-four million, two hundred forty-five thousand".