1045426645 has 32 divisors (see below), whose sum is σ = 1408579200. Its totient is φ = 740192256.

The previous prime is 1045426633. The next prime is 1045426691. The reversal of 1045426645 is 5466245401.

It is a cyclic number.

It is not a de Polignac number, because 1045426645 - 2⁷ = 1045426517 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, 222157 + ... + 226813.

It is an arithmetic number, because the mean of its divisors is an integer number (44018100).

Almost surely, 2^1045426645 is an apocalyptic number.

It is an amenable number.

1045426645 is a deficient number, since it is larger than the sum of its proper divisors (363152555).

1045426645 is a wasteful number, since it uses less digits than its factorization.

1045426645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1045426645 is about 32333.0580830209. The cubic root of 1045426645 is about 1014.9185452360.

The spelling of 1045426645 in words is "one billion, forty-five million, four hundred twenty-six thousand, six hundred forty-five".