1045405406 has 16 divisors (see below), whose sum is σ = 1591622784. Its totient is φ = 514882944.

The previous prime is 1045405397. The next prime is 1045405423. The reversal of 1045405406 is 6045045401.

It is a super-3 number, since 3×1045405406³ (a number of 28 digits) contains 333 as substring.

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, 121850 + ... + 130146.

It is an arithmetic number, because the mean of its divisors is an integer number (99476424).

Almost surely, 2^1045405406 is an apocalyptic number.

1045405406 is a deficient number, since it is larger than the sum of its proper divisors (546217378).

1045405406 is an equidigital number, since it uses as much as digits as its factorization.

1045405406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1045405406 is about 32332.7296404124. The cubic root of 1045405406 is about 1014.9116721248.

The spelling of 1045405406 in words is "one billion, forty-five million, four hundred five thousand, four hundred six".