1045231224 has 64 divisors (see below), whose sum is σ = 2730132000. Its totient is φ = 333043200.

The previous prime is 1045231223. The next prime is 1045231237. The reversal of 1045231224 is 4221325401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1045231194 and 1045231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045231223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62862 + ... + 77730.

Almost surely, 2^1045231224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045231224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365066000).

1045231224 is an abundant number, since it is smaller than the sum of its proper divisors (1684900776).

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

1045231224 is a wasteful number, since it uses less digits than its factorization.

1045231224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15008 (or 15004 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1045231224 is about 32330.0359418297. The cubic root of 1045231224 is about 1014.8553019157.

Adding to 1045231224 its reverse (4221325401), we get a palindrome (5266556625).

The spelling of 1045231224 in words is "one billion, forty-five million, two hundred thirty-one thousand, two hundred twenty-four".