1045397836 has 48 divisors (see below), whose sum is σ = 2128896000. Its totient is φ = 439927488.

The previous prime is 1045397831. The next prime is 1045397839. The reversal of 1045397836 is 6387935401.

1045397836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1045397831) 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, 434565 + ... + 436963.

It is an arithmetic number, because the mean of its divisors is an integer number (44352000).

Almost surely, 2^1045397836 is an apocalyptic number.

It is an amenable number.

1045397836 is an abundant number, since it is smaller than the sum of its proper divisors (1083498164).

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

1045397836 is a wasteful number, since it uses less digits than its factorization.

1045397836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2684 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1045397836 is about 32332.6125761591. The cubic root of 1045397836 is about 1014.9092223893.

The spelling of 1045397836 in words is "one billion, forty-five million, three hundred ninety-seven thousand, eight hundred thirty-six".