1045434646 has 16 divisors (see below), whose sum is σ = 1636715808. Its totient is φ = 500344000.

The previous prime is 1045434641. The next prime is 1045434661. The reversal of 1045434646 is 6464345401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045434641) 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, 115930 + ... + 124621.

It is an arithmetic number, because the mean of its divisors is an integer number (102294738).

Almost surely, 2^1045434646 is an apocalyptic number.

1045434646 is a deficient number, since it is larger than the sum of its proper divisors (591281162).

1045434646 is a wasteful number, since it uses less digits than its factorization.

1045434646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240647.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 1045434646 is about 32333.1818106415. The cubic root of 1045434646 is about 1014.9211343998.

The spelling of 1045434646 in words is "one billion, forty-five million, four hundred thirty-four thousand, six hundred forty-six".