1045653894 has 16 divisors (see below), whose sum is σ = 2323675440. Its totient is φ = 348551280.

The previous prime is 1045653883. The next prime is 1045653937. The reversal of 1045653894 is 4983565401.

1045653894 is a `hidden beast` number, since 1 + 0 + 4 + 565 + 3 + 89 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9681927 + ... + 9682034.

It is an arithmetic number, because the mean of its divisors is an integer number (145229715).

Almost surely, 2^1045653894 is an apocalyptic number.

1045653894 is an abundant number, since it is smaller than the sum of its proper divisors (1278021546).

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

1045653894 is a wasteful number, since it uses less digits than its factorization.

1045653894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363972 (or 19363966 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1045653894 is about 32336.5720817776. The cubic root of 1045653894 is about 1014.9920790148.

The spelling of 1045653894 in words is "one billion, forty-five million, six hundred fifty-three thousand, eight hundred ninety-four".