1045440250 has 16 divisors (see below), whose sum is σ = 1957064616. Its totient is φ = 418176000.

The previous prime is 1045440233. The next prime is 1045440257. The reversal of 1045440250 is 520445401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 137804121 + 907636129 = 11739^2 + 30127^2 .

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 (1045440257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2090631 + ... + 2091130.

Almost surely, 2^1045440250 is an apocalyptic number.

1045440250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045440250 is a deficient number, since it is larger than the sum of its proper divisors (911624366).

1045440250 is an equidigital number, since it uses as much as digits as its factorization.

1045440250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181778 (or 4181768 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1045440250 is about 32333.2684707253. The cubic root of 1045440250 is about 1014.9229478746.

Adding to 1045440250 its reverse (520445401), we get a palindrome (1565885651).

The spelling of 1045440250 in words is "one billion, forty-five million, four hundred forty thousand, two hundred fifty".