1045666432 has 32 divisors (see below), whose sum is σ = 2131620480. Its totient is φ = 510671616.

The previous prime is 1045666421. The next prime is 1045666439. The reversal of 1045666432 is 2346665401.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1045666432² = 2186836574023221248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045666391 and 1045666400.

It is not an unprimeable number, because it can be changed into a prime (1045666439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89488 + ... + 100495.

It is an arithmetic number, because the mean of its divisors is an integer number (66613140).

Almost surely, 2^1045666432 is an apocalyptic number.

It is an amenable number.

1045666432 is an abundant number, since it is smaller than the sum of its proper divisors (1085954048).

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

1045666432 is an equidigital number, since it uses as much as digits as its factorization.

1045666432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190040 (or 190028 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 1045666432 is about 32336.7659483752. The cubic root of 1045666432 is about 1014.9961357809.

The spelling of 1045666432 in words is "one billion, forty-five million, six hundred sixty-six thousand, four hundred thirty-two".