1144961800 has 24 divisors (see below), whose sum is σ = 2662036650. Its totient is φ = 457984640.

The previous prime is 1144961759. The next prime is 1144961801. The reversal of 1144961800 is 81694411.

It can be written as a sum of positive squares in 3 ways, for example, as 619910404 + 525051396 = 24898^2 + 22914^2 .

It is not an unprimeable number, because it can be changed into a prime (1144961801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2862205 + ... + 2862604.

Almost surely, 2^1144961800 is an apocalyptic number.

1144961800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144961800 is an abundant number, since it is smaller than the sum of its proper divisors (1517074850).

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

1144961800 is a wasteful number, since it uses less digits than its factorization.

1144961800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724825 (or 5724816 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1144961800 is about 33837.2841699803. The cubic root of 1144961800 is about 1046.1573222369.

The spelling of 1144961800 in words is "one billion, one hundred forty-four million, nine hundred sixty-one thousand, eight hundred".