1045381898 has 16 divisors (see below), whose sum is σ = 1711256544. Its totient is φ = 474998160.

The previous prime is 1045381891. The next prime is 1045381903. The reversal of 1045381898 is 8981835401.

1045381898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045381891) 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, 66536 + ... + 80732.

It is an arithmetic number, because the mean of its divisors is an integer number (106953534).

Almost surely, 2^1045381898 is an apocalyptic number.

1045381898 is a deficient number, since it is larger than the sum of its proper divisors (665874646).

1045381898 is a wasteful number, since it uses less digits than its factorization.

1045381898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557.

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 1045381898 is about 32332.3661058080. The cubic root of 1045381898 is about 1014.9040646383.

The spelling of 1045381898 in words is "one billion, forty-five million, three hundred eighty-one thousand, eight hundred ninety-eight".