1045640102 has 16 divisors (see below), whose sum is σ = 1689943920. Its totient is φ = 482365152.

The previous prime is 1045640081. The next prime is 1045640107. The reversal of 1045640102 is 2010465401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045640107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50849 + ... + 68387.

It is an arithmetic number, because the mean of its divisors is an integer number (105621495).

Almost surely, 2^1045640102 is an apocalyptic number.

1045640102 is a deficient number, since it is larger than the sum of its proper divisors (644303818).

1045640102 is a wasteful number, since it uses less digits than its factorization.

1045640102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19847.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1045640102 is about 32336.3588240853. The cubic root of 1045640102 is about 1014.9876164699.

The spelling of 1045640102 in words is "one billion, forty-five million, six hundred forty thousand, one hundred two".