1045443140 has 48 divisors (see below), whose sum is σ = 2576888832. Its totient is φ = 348748416.

The previous prime is 1045443107. The next prime is 1045443181. The reversal of 1045443140 is 413445401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95732 + ... + 106091.

It is an arithmetic number, because the mean of its divisors is an integer number (53685184).

Almost surely, 2^1045443140 is an apocalyptic number.

1045443140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045443140 is an abundant number, since it is smaller than the sum of its proper divisors (1531445692).

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

1045443140 is a wasteful number, since it uses less digits than its factorization.

1045443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201876 (or 201874 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1045443140 is about 32333.3131615057. The cubic root of 1045443140 is about 1014.9238830865.

Adding to 1045443140 its reverse (413445401), we get a palindrome (1458888541).

The spelling of 1045443140 in words is "one billion, forty-five million, four hundred forty-three thousand, one hundred forty".