870741545 has 4 divisors (see below), whose sum is σ = 1044889860. Its totient is φ = 696593232.

The previous prime is 870741541. The next prime is 870741551. The reversal of 870741545 is 545147078.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 141039376 + 729702169 = 11876^2 + 27013^2 .

It is a cyclic number.

It is not a de Polignac number, because 870741545 - 2² = 870741541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870741541) 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 3 ways as a sum of consecutive naturals, for example, 87074150 + ... + 87074159.

It is an arithmetic number, because the mean of its divisors is an integer number (261222465).

Almost surely, 2^870741545 is an apocalyptic number.

It is an amenable number.

870741545 is a deficient number, since it is larger than the sum of its proper divisors (174148315).

870741545 is a wasteful number, since it uses less digits than its factorization.

870741545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174148314.

The product of its (nonzero) digits is 156800, while the sum is 41.

The square root of 870741545 is about 29508.3300950765. The cubic root of 870741545 is about 954.9114233062.

The spelling of 870741545 in words is "eight hundred seventy million, seven hundred forty-one thousand, five hundred forty-five".