1545645706 has 16 divisors (see below), whose sum is σ = 2662356960. Its totient is φ = 665588880.

The previous prime is 1545645679. The next prime is 1545645721. The reversal of 1545645706 is 6075465451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848441 + ... + 1849276.

It is an arithmetic number, because the mean of its divisors is an integer number (166397310).

Almost surely, 2^1545645706 is an apocalyptic number.

1545645706 is a deficient number, since it is larger than the sum of its proper divisors (1116711254).

1545645706 is a wasteful number, since it uses less digits than its factorization.

1545645706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697749.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 1545645706 is about 39314.7008891076. The cubic root of 1545645706 is about 1156.2098118352.

The spelling of 1545645706 in words is "one billion, five hundred forty-five million, six hundred forty-five thousand, seven hundred six".