1045642 has 16 divisors (see below), whose sum is σ = 1707552. Its totient is φ = 477360.

The previous prime is 1045633. The next prime is 1045643. The reversal of 1045642 is 2465401.

It is not an unprimeable number, because it can be changed into a prime (1045643) 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, 3253 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (106722).

2^1045642 is an apocalyptic number.

1045642 is a deficient number, since it is larger than the sum of its proper divisors (661910).

1045642 is a wasteful number, since it uses less digits than its factorization.

1045642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1045642 is about 1022.5663792635. The cubic root of 1045642 is about 101.4988230590.

The spelling of 1045642 in words is "one million, forty-five thousand, six hundred forty-two".