1045443254 has 32 divisors (see below), whose sum is σ = 1692855936. Its totient is φ = 482411520.

The previous prime is 1045443253. The next prime is 1045443257. The reversal of 1045443254 is 4523445401.

1045443254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1045443254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045443253) 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, 947267 + ... + 948369.

It is an arithmetic number, because the mean of its divisors is an integer number (52901748).

Almost surely, 2^1045443254 is an apocalyptic number.

1045443254 is a deficient number, since it is larger than the sum of its proper divisors (647412682).

1045443254 is a wasteful number, since it uses less digits than its factorization.

1045443254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1045443254 is about 32333.3149243934. The cubic root of 1045443254 is about 1014.9239199772.

Adding to 1045443254 its reverse (4523445401), we get a palindrome (5568888655).

The spelling of 1045443254 in words is "one billion, forty-five million, four hundred forty-three thousand, two hundred fifty-four".