1045252043 has 16 divisors (see below), whose sum is σ = 1192029696. Its totient is φ = 907251840.

The previous prime is 1045252031. The next prime is 1045252051. The reversal of 1045252043 is 3402525401.

It is a happy number.

It is not a de Polignac number, because 1045252043 - 2⁴ = 1045252027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045252843) 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, 146546 + ... + 153512.

It is an arithmetic number, because the mean of its divisors is an integer number (74501856).

Almost surely, 2^1045252043 is an apocalyptic number.

1045252043 is a deficient number, since it is larger than the sum of its proper divisors (146777653).

1045252043 is a wasteful number, since it uses less digits than its factorization.

1045252043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7594.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1045252043 is about 32330.3579163609. The cubic root of 1045252043 is about 1014.8620398609.

Adding to 1045252043 its reverse (3402525401), we get a palindrome (4447777444).

The spelling of 1045252043 in words is "one billion, forty-five million, two hundred fifty-two thousand, forty-three".