1144231450 has 24 divisors (see below), whose sum is σ = 2173557312. Its totient is φ = 447953520.

The previous prime is 1144231447. The next prime is 1144231457. The reversal of 1144231450 is 541324411.

It is a super-2 number, since 2×1144231450² = 2618531222338205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1144231457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241104 + ... + 245803.

It is an arithmetic number, because the mean of its divisors is an integer number (90564888).

Almost surely, 2^1144231450 is an apocalyptic number.

1144231450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144231450 is a deficient number, since it is larger than the sum of its proper divisors (1029325862).

1144231450 is a wasteful number, since it uses less digits than its factorization.

1144231450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486966 (or 486961 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1144231450 is about 33826.4903588888. The cubic root of 1144231450 is about 1045.9348334406.

Adding to 1144231450 its reverse (541324411), we get a palindrome (1685555861).

The spelling of 1144231450 in words is "one billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred fifty".