705200145 has 32 divisors (see below), whose sum is σ = 1216518912. Its totient is φ = 346774272.

The previous prime is 705200113. The next prime is 705200147. The reversal of 705200145 is 541002507.

It is not a de Polignac number, because 705200145 - 2⁵ = 705200113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705200147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237007 + ... + 239963.

It is an arithmetic number, because the mean of its divisors is an integer number (38016216).

Almost surely, 2^705200145 is an apocalyptic number.

It is an amenable number.

705200145 is a deficient number, since it is larger than the sum of its proper divisors (511318767).

705200145 is a wasteful number, since it uses less digits than its factorization.

705200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 705200145 is about 26555.6047756401. The cubic root of 705200145 is about 890.0972603383.

The spelling of 705200145 in words is "seven hundred five million, two hundred thousand, one hundred forty-five".