1045237805 has 32 divisors (see below), whose sum is σ = 1322697600. Its totient is φ = 792140800.

The previous prime is 1045237771. The next prime is 1045237847. The reversal of 1045237805 is 5087325401.

It is a happy number.

It is not a de Polignac number, because 1045237805 - 2¹⁰ = 1045236781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075970 + ... + 1076940.

It is an arithmetic number, because the mean of its divisors is an integer number (41334300).

Almost surely, 2^1045237805 is an apocalyptic number.

It is an amenable number.

1045237805 is a deficient number, since it is larger than the sum of its proper divisors (277459795).

1045237805 is an equidigital number, since it uses as much as digits as its factorization.

1045237805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1045237805 is about 32330.1377200902. The cubic root of 1045237805 is about 1014.8574318268.

The spelling of 1045237805 in words is "one billion, forty-five million, two hundred thirty-seven thousand, eight hundred five".